57mm Quad Block Swivel, Center BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact...
40mm Carbo Single Ratchet Block with Swivel & BecketCarbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing....
57mm Carbo Single Ratchet Block with Swivel & BecketCarbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Features:...
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,...
40mm Carbo Air Block with Cam Cleat & BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block...
60mm Double Aluminum Element Block with Swivel & BecketElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary...
Series 30 Ball Bearing Orbit Block™ - Stand Up SwivelBall Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced...
22mm Fiddle Micro Block with V-Jam & BecketLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control...
Series 50 Ball Bearing Block - Single Loop TopSheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball...
38mm Double Big Bullet BlockLow-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low...
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...
Series 20 Ball Bearing Block - Single - Cheek Rivet MountFeatures: Low friction High static and dynamic load capacity Lightweight Suitable for screw or pop...
Telescopic Cruiser ExtensionThe tiller extension is simple to adjust; simply twist the handle 90 degrees, and it slides open or closed. Once you have it...
6mm Snap Close Shackle - 5 Pack Simply push the shackle together, but once it's snapped shut, it won't come undone again.Specifications: Material: Nylon Package Size:...
Series 30 Ball Bearing Orbit Block™ - TripleBall Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials...
Series 40 All Purpose Block - Fiddle - Becket - CleatFeatures: Exceptionally high working loads Low maintenance, long service life Self-lubricating sheave Captive Lockâ„¢ universal...
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...
Series 30 Ball Bearing Orbit Block™ - DoubleBall Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials...
57mm Aluminum Low Load Black Magic Block with SwivelBlack Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight,...
40mm Carbo Single Ratchet Block with Swivel Becket & Cam CleatCarbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and...
40mm Carbo Air Double Swivel Block with BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line,...
16mm Triple 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...
57mm Carbo Air Fiddle Block with Swivel & BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block...
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,...
57mm Single Carbo Ratchet Cheek BlockCarbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Features: Sheave Ø (mm):...
40mm Carbo Block with Spring & EyestrapLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these...
40mm Carbo Air Triple Swivel Block with BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line,...
45mm Single Element Block with Swivel & BecketElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and...
Series 50 All Purpose Block - TripleFeatures: Exceptionally high working loads Low maintenance, long service life Self-lubricating Acetal polymer sheave ensures low friction and extreme durability...
Series 55 Ratchet Mount Orbit Block - Fiddle Becket SwivelFeatures: Up to 20:1 holding power Smooth easing of sheets High performance cleating Automatic ratchet blockNow...
Size 3 Fiddle SwivelBarton plain bearing blocks have a precision molded acetal sheave running on a large diameter brass bearing, ensuring free running under the...
Series 50 All Purpose Block - Fiddle - Becket - CleatFeatures Exceptionally high working loads Low maintenance, long service life Self-lubricating Acetal polymer sheave ensures...
Twin Sheet Block for 1-1/4" T-Track - BlackHardcoat anodized aluminum body and slider provide a high strength block. Aluminum sheave runs on nomexâ„¢/Teflonâ„¢ bearing for...
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...
25mm Double Block with BecketThe 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side...
Series 40 Orbit BB Quin Block with Swivel ShackleThe Series 40 ball-bearing Orbit Blocksâ„¢ provides the perfect balance of strength, performance, and reliability. They offer...
Series 30 Ball Bearing Block Single Becket Option LashingBall Bearing Blocksâ„¢ boast the highest strength-to-weight ratio available. Â This is achieved through all-composite reinforced polymer materials...
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...
Series 15 Ball Bearing Utility Block - Pivoting Lead BlockFeatures: Smallest and lightest ball bearing block available Precision molded acetal sheave running on stainless steel...
Series 40 Ball Bearing Orbit Block - CheekFeatures: Ultra Lightweight Low friction 2-stage Orbital ball bearing system Highest working load in its class Low profile...
Nylatron Sheave Box - Single Upright Lead BlockLead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats...
Series 30 Ball Bearing Block - Single - Loop TopFeatures: Low friction 2-stage ball bearing system provides consistent performance over the full working load range...