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Neptunian Marine
Neptunian Marine

Sailing - Blocks

Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head [RF41200]

Ronstan
Original price $59.08
Original price $59.08 - Original price $59.08
Original price $59.08
Current price $50.22
$50.22 - $50.22
Current price $50.22
In stock

Series 40 All Purpose Block - Double Block - Full Swivel HeadAll purpose (AP) blocks are a great all around solution. Self-lubricating Acetal poly...

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Original price $59.08
Original price $59.08 - Original price $59.08
Original price $59.08
Current price $50.22
$50.22 - $50.22
Current price $50.22
Save $8.86 Save $0.00

Ronstan Swivel Cleat & Base [RF5]

Ronstan
Original price $78.06
Original price $78.06 - Original price $78.06
Original price $78.06
Current price $66.35
$66.35 - $66.35
Current price $66.35
In stock

Swivel Cleat & BaseSwivel cleat bases permit easy cleating and releasing from any angle.Sheave can be relocated to allow the control line to f...

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Original price $78.06
Original price $78.06 - Original price $78.06
Original price $78.06
Current price $66.35
$66.35 - $66.35
Current price $66.35
Save $11.71 Save $0.00

Ronstan Series 30 Ball Bearing Orbit Block - Cheek [RF35151]

Ronstan
Original price $20.54
Original price $20.54 - Original price $20.54
Original price $20.54
Current price $17.99
$17.99 - $17.99
Current price $17.99
In stock

Series 30 Ball Bearing Orbit Block™ - CheekBall Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved thro...

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Original price $20.54
Original price $20.54 - Original price $20.54
Original price $20.54
Current price $17.99
$17.99 - $17.99
Current price $17.99
Save $2.55 Save $0.00

Harken 29mm Carbo T2 Block [2146]

Harken
Original price $32.65
Original price $32.65 - Original price $32.65
Original price $32.65
Current price $28.95
$28.95 - $28.95
Current price $28.95
Low stock

29mm Carbo T2 BlockThe high-strength composite T2™ is the first block with no metal shackles or rivets. It is used for traveler controls, mainshee...

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Original price $32.65
Original price $32.65 - Original price $32.65
Original price $32.65
Current price $28.95
$28.95 - $28.95
Current price $28.95
Save $3.70 Save $0.00

Harken 57mm Carbo Single Ratchet Block w/Swivel [2135]

Harken
Original price $96.30
Original price $96.30 - Original price $96.30
Original price $96.30
Current price $84.95
$84.95 - $84.95
Current price $84.95
In stock

57mm Carbo Single Ratchet Block with SwivelCarbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and cont...

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Original price $96.30
Original price $96.30 - Original price $96.30
Original price $96.30
Current price $84.95
$84.95 - $84.95
Current price $84.95
Save $11.35 Save $0.00

Harken 60mm Single Aluminum Element Block w/Swivel Becket [6261]

Harken
Original price $77.60 - Original price $77.60
Original price
$77.60
$77.60 - $77.60
Current price $77.60
Low stock

60mm Single Aluminum Element Block with Swivel & BecketElement blocks introduce sideplates that combine forged aluminum and compound curves fo...

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Original price $77.60 - Original price $77.60
Original price
$77.60
$77.60 - $77.60
Current price $77.60

Harken 40mm Carbo Single Ratchet Block w/Swivel [2608]

Harken
Original price $81.45
Original price $81.45 - Original price $81.45
Original price $81.45
Current price $71.95
$71.95 - $71.95
Current price $71.95
In stock

40mm Carbo Single Ratchet Block with SwivelCarbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and cont...

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Original price $81.45
Original price $81.45 - Original price $81.45
Original price $81.45
Current price $71.95
$71.95 - $71.95
Current price $71.95
Save $9.50 Save $0.00

Harken 75mm Carbo Air Block w/Swivel [2660]

Harken
Original price $109.60
Original price $109.60 - Original price $109.60
Original price $109.60
Current price $96.95
$96.95 - $96.95
Current price $96.95
Low stock

75mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken B...

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Original price $109.60
Original price $109.60 - Original price $109.60
Original price $109.60
Current price $96.95
$96.95 - $96.95
Current price $96.95
Save $12.65 Save $0.00

Harken 29mm Double Carbo Air Block [381]

Harken
Original price $50.70
Original price $50.70 - Original price $50.70
Original price $50.70
Current price $44.95
$44.95 - $44.95
Current price $44.95
In stock

29mm Double Carbo Air BlockLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black ...

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Original price $50.70
Original price $50.70 - Original price $50.70
Original price $50.70
Current price $44.95
$44.95 - $44.95
Current price $44.95
Save $5.75 Save $0.00

Harken 29mm Carbo Air Block w/Swivel [340]

Harken
Original price $32.95
Original price $32.95 - Original price $32.95
Original price $32.95
Current price $28.95
$28.95 - $28.95
Current price $28.95
Low stock

29mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken B...

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Original price $32.95
Original price $32.95 - Original price $32.95
Original price $32.95
Current price $28.95
$28.95 - $28.95
Current price $28.95
Save $4.00 Save $0.00

Harken 22mm Micro Block w/Swivel [292]

Harken
Original price $33.25
Original price $33.25 - Original price $33.25
Original price $33.25
Current price $28.95
$28.95 - $28.95
Current price $28.95
Low stock

22mm Micro Block with SwivelLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly lo...

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Original price $33.25
Original price $33.25 - Original price $33.25
Original price $33.25
Current price $28.95
$28.95 - $28.95
Current price $28.95
Save $4.30 Save $0.00

Ronstan Series 20 ball Bearing Block - Triple - 2-Axis Shackle head [RF20302]

Ronstan
Original price $48.80
Original price $48.80 - Original price $48.80
Original price $48.80
Current price $41.48
$41.48 - $41.48
Current price $41.48
In stock

Series 20 Ball Bearing Block - Triple - 2-Axis Shackle HeadFeatures: Low friction High static and dynamic load capacity Lightweight Precision m...

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Original price $48.80
Original price $48.80 - Original price $48.80
Original price $48.80
Current price $41.48
$41.48 - $41.48
Current price $41.48
Save $7.32 Save $0.00

Ronstan Series 20 Ball Bearing Block - Double - 2-Axis Shackle Head [RF20202]

Ronstan
Original price $35.95
Original price $35.95 - Original price $35.95
Original price $35.95
Current price $30.56
$30.56 - $30.56
Current price $30.56
Low stock

Series 20 Ball Bearing Block - Double - 2-Axis Shackle HeadFeatures: Low friction High static and dynamic load capacity Lightweight Precision m...

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Original price $35.95
Original price $35.95 - Original price $35.95
Original price $35.95
Current price $30.56
$30.56 - $30.56
Current price $30.56
Save $5.39 Save $0.00

Barton Size 5 54mm Plain Bearing Pulley Block Single Block Swivel [N05130]

Barton Marine
Original price $52.00
Original price $52.00 - Original price $52.00
Original price $52.00
Current price $46.80
$46.80 - $46.80
Current price $46.80
Low stock

Size 5 54mm Plain Bearing Pulley Block Single Block SwivelThe Size 5 Barton range of blocks has a 54mm 2 1/8" sheave. They are rugged construction...

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Original price $52.00
Original price $52.00 - Original price $52.00
Original price $52.00
Current price $46.80
$46.80 - $46.80
Current price $46.80
Save $5.20 Save $0.00

Barton Size 4 58mm Plain Bearing Pulley Cheek Block [N04160]

Barton Marine
Original price $39.65
Original price $39.65 - Original price $39.65
Original price $39.65
Current price $35.69
$35.69 - $35.69
Current price $35.69
Low stock

Size 4 58mm Plain Bearing Pulley Cheek BlockThe Size 4 Barton range of blocks has a 58mm (2 5/16″) sheave. They are of a rugged construction featu...

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Original price $39.65
Original price $39.65 - Original price $39.65
Original price $39.65
Current price $35.69
$35.69 - $35.69
Current price $35.69
Save $3.96 Save $0.00

Barton Size 6 64mm Plain Bearing Pulley Single Block Fixed Eye [N06110]

Barton Marine
Original price $34.83
Original price $34.83 - Original price $34.83
Original price $34.83
Current price $31.35
$31.35 - $31.35
Current price $31.35
Low stock

Size 6 64mm Plain Bearing Pulley Single Block Fixed EyeThe Size 6 Barton blocks are designed as our high-load cruiser block range and are of rugge...

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Original price $34.83
Original price $34.83 - Original price $34.83
Original price $34.83
Current price $31.35
$31.35 - $31.35
Current price $31.35
Save $3.48 Save $0.00

Barton Size 7 70mm Plain Bearing Pulley Block Single Swivel [N07130]

Barton Marine
Original price $95.79
Original price $95.79 - Original price $95.79
Original price $95.79
Current price $86.21
$86.21 - $86.21
Current price $86.21
Low stock

Size 7 70mm Plain Bearing Pulley Block Single SwivelThe size 7 Barton high-load cruising block range is engineered for superior strength and perfo...

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Original price $95.79
Original price $95.79 - Original price $95.79
Original price $95.79
Current price $86.21
$86.21 - $86.21
Current price $86.21
Save $9.58 Save $0.00

Barton Size 5 54mm Plain Bearing Pulley Block Reverse Shackle [N05120]

Barton Marine
Original price $38.75
Original price $38.75 - Original price $38.75
Original price $38.75
Current price $34.88
$34.88 - $34.88
Current price $34.88
Low stock

Size 5 54mm Plain Bearing Pulley Block Reverse ShackleThe Size 5 Barton range of blocks has a 54mm 2 1/8" sheave. They are rugged construction, fe...

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Original price $38.75
Original price $38.75 - Original price $38.75
Original price $38.75
Current price $34.88
$34.88 - $34.88
Current price $34.88
Save $3.87 Save $0.00

Barton Size 5 54mm Plain Bearing Pulley Block Single Block Fixed Eye [N05110]

Barton Marine
Original price $29.69
Original price $29.69 - Original price $29.69
Original price $29.69
Current price $26.72
$26.72 - $26.72
Current price $26.72
Low stock

Size 5 54mm Plain Bearing Pulley Block Single Block Fixed EyeThe Size 5 Barton range of blocks has a 54mm 2 1/8" sheave. They are a rugged constru...

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Original price $29.69
Original price $29.69 - Original price $29.69
Original price $29.69
Current price $26.72
$26.72 - $26.72
Current price $26.72
Save $2.97 Save $0.00

Schaefer Single Ball Bearing Block [506-05]

Schaefer Marine
Original price $115.25
Original price $115.25 - Original price $115.25
Original price $115.25
Current price $99.99
$99.99 - $99.99
Current price $99.99
Low stock

Single Ball Bearing BlockSingle block with aluminum cheeks and ball bearing sheave. Delrin™ ball bearing sheave ensures low-friction operation. Sw...

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Original price $115.25
Original price $115.25 - Original price $115.25
Original price $115.25
Current price $99.99
$99.99 - $99.99
Current price $99.99
Save $15.26 Save $0.00

Schaefer Spring Loaded/Lined Slide/Aluminum f/1" T-Track [504-82]

Schaefer Marine
Original price $239.55
Original price $239.55 - Original price $239.55
Original price $239.55
Current price $184.99
$184.99 - $184.99
Current price $184.99
Low stock

Spring Loaded/Lined Slide/Aluminum for 1" T-TrackDelrin™ sheave ensures smooth operation and high safe working load. Anodized aluminum cheeks and ...

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Original price $239.55
Original price $239.55 - Original price $239.55
Original price $239.55
Current price $184.99
$184.99 - $184.99
Current price $184.99
Save $54.56 Save $0.00

Schaefer Single Stainless Steel Block - 60mm Sheave [705-05]

Schaefer Marine
Original price $163.75
Original price $163.75 - Original price $163.75
Original price $163.75
Current price $131.99
$131.99 - $131.99
Current price $131.99
Low stock

Single Stainless Steel Block - 60mm SheaveDelrin™ sheave ensures low-friction and high safe working load. Swivel head may be locked in place to el...

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Original price $163.75
Original price $163.75 - Original price $163.75
Original price $163.75
Current price $131.99
$131.99 - $131.99
Current price $131.99
Save $31.76 Save $0.00

Lewmar 60mm HTX Block - Single [29196001]

Lewmar
Original price $109.95
Original price $109.95 - Original price $109.95
Original price $109.95
Current price $82.99
$82.99 - $82.99
Current price $82.99
Low stock

60mm HTX Block - SingleYears of design and manufacturing experience coupled with collaboration with boat builders, designers, and sailors have res...

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Original price $109.95
Original price $109.95 - Original price $109.95
Original price $109.95
Current price $82.99
$82.99 - $82.99
Current price $82.99
Save $26.96 Save $0.00

Ronstan Series 20 Ball Bearing Orbit Block - Single - Dyneema Lashing - Becket Option [RF25109]

Ronstan
Original price $16.45
Original price $16.45 - Original price $16.45
Original price $16.45
Current price $13.99
$13.99 - $13.99
Current price $13.99
In stock

Series 20 Ball Bearing Orbit Block - Single - Dyneema Lashing - Becket OptionThe incredible Series 20 Orbit Block™ is capable of loads up to 250kg...

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Original price $16.45
Original price $16.45 - Original price $16.45
Original price $16.45
Current price $13.99
$13.99 - $13.99
Current price $13.99
Save $2.46 Save $0.00