Sailing - Blocks

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Harken 40mm Carbo Air Double Fixed Block w/Becket [2643]

40mm Carbo Air Double Fixed Block with BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have...

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Harken 40mm Carbo Air Cheek Block [2644]

40mm Carbo Air Cheek BlockLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working...

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Harken 40mm Carbo Air Double Swivel Block [2638]

40mm Carbo Air Double Swivel BlockLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high...

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Harken 40mm Carbo Air Double Fixed Block [2642]

40mm Carbo Air Double Fixed BlockLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high...

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Harken 29mm Triple Carbo Air Block w/Swivel [344]

29mm Triple Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very...

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Harken 22mm Double Micro Block w/Becket [227]

22mm Double Micro Block with BecketLow-friction Micro blocks are compact and lightweight. Specifications: Sheave: 22mm / 7/8in. Length: 64mm / 2.5in. Weight: 43g / 1.5oz. Maximum line: 6mm / 1/4in. Maximum...

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Harken 45mm Double Element Block w/Swivel Becket [6239]

45mm Double Element Block with Swivel & BecketElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs...

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Harken 22mm Triple Micro Block w/Becket [229]

22mm Triple Micro Block with BecketLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.Specifications: Sheave:...

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Harken 16mm Double Block w/Becket [407]

16mm Double Block with Becket The 16 mm is Harken’s® smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel...

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Harken 22mm Triple Micro Block [228]

22mm Triple Micro BlockLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.Specifications: Sheave: 22mm /...

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Harken 22mm Triple Micro Block w/Cam Cleat [230]

22mm Triple Micro Block with Cam CleatLow-friction Micro blocks are compact and lightweight. Specifications: Sheave: 22mm / 7/8in. Length: 51mm / 2in. Weight: 99g / 3.5oz. Maximum line: 6mm / 1/4in....

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Harken 45mm Double Element Block w/Swivel [6238]

45mm Double Element Block with SwivelElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum...

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Harken 29mm Double Carbo Air Block [381]

29mm Double Carbo Air BlockLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working...

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Harken 16mm Block w/Becket [405]

16mm Block with BecketThe 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls...

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Harken 45mm Triple Element Block w/ Swivel Becket [6241]

45mm Triple Element Block with Swivel & BecketElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs...

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Harken 45mm Triple Element Block w/Swivel [6240]

45mm Triple Element Block with SwivelElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum...

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Harken 25mm Wire Block w/Shackle [300]

25mm Wire Block with ShackleLightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes.Specifications: Sheave: 25mm / 1in. Weight: 28g / 1oz. Shackle pin:...

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Schaefer Stand-Up Swivel - Aluminum Block [704-62]

Stand-Up Swivel - Aluminum BlockSpecifications: Sheave Dia. 2-2/8" (60 mm) Max Line 1/2" (13 mm) Diameter includes urethane base 3-3/8" (86 mm) Height 4-25/32" (120 mm) H2 2-15/32" (63 mm)...

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Schaefer Twin Sheet Block f/1-1/4" T-Track - Black [32-97]

Twin Sheet Block for 1-1/4" T-Track - BlackHardcoat anodized aluminum body and slider provide a high strength block. Aluminum sheave runs on nomex™/Teflon™ bearing for a low-friction, high strength sheave....

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Schaefer Stand-Up Swivel w/Aluminum Cheeks [504-62]

Stand-Up Swivel with Aluminum CheeksDelrin™ sheave ensures smooth operation and high safe working load. Specifications: Sheave Dia. 2" (51 mm) Max Line 7/16" (11 mm) Diameter includes urethane base 2-7/8" (73...

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Schaefer Spring Loaded/Lined Slide/Stainless Steel f/1-1/4" T-Track [705-92]

Spring Loaded/Lined Slide/Stainless Steel for 1-1/4" T-TrackDelrin™ sheave ensures smooth operation and high safe working load. Stainless Steel cheeks and stainless steel slider ensure reliability. Polyethylene liner and pin stop...

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Ronstan Series 30 Utility Ball Bearing Block - Single, Swivel Shackle Head [RF30100]

Series 30 Utility Ball Bearing Block - Single, Swivel Shackle HeadFeatures: Low friction 2-stage ball bearing system provides consistent performance over the full working load range. High static and dynamic...

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Ronstan Series 30 Utility Block - Single, Becket, Loop Head [RF681]

Series 30 Utility Block - Single, Becket, Loop HeadFeatures: Lightweight durable construction Economical Maintenance free Product Information:Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no...

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Ronstan Series 30 Utility Block - Double, Tube Rivet [RF417]

Series 30 Utility Block- Double, Tube RivetFeatures: Lightweight durable construction Economical Maintenance free Product Information:Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance.Hollow rivets...