Blocks

Harken 57mm Aluminum Low Load Black Magic Block w/Swivel

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, free-running, powerful performers are used for sail controls that see lots of action:...

Harken 60mm Element Triple Block

60mm Element Triple BlockElement 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 amount of metal required to...

Ronstan Series 15 Webbing Block

Series 15 Webbing BlockRonstan’s Series 15 blocks are available in 15 different configurations or as a sheave only.The smallest and lightest ball bearing blocks on the market, stainless steel ball bearings help create impressive working loads for...

Harken 57mm Carbo Block Flip Flop w/Cam

57mm Carbo Block Flip Flop with CamSmall Boat Flip-Flop blocks pivot around the line axis to keep the line close to the deck. Hinged construction allows for various lead angles.Features:Sheave Ø (mm) 57 mmSheave Ø (in) 2 1/4 inMaximum line...

Schaefer Twin Sheet Lead 25x3MM - Black

Twin Sheet Lead 25x3MM - Black32-77 Twin Sheet Lead block. The anodized aluminum body is machined from 6061-T6 aluminum and articulates to ensure a proper lead. Anodized aluminum sheave runs on Nomex™/Teflon™ bearing for a low-friction high...

Ronstan Series 55 BB Orbit Block, Double Becket Swivel

Series 55 BB Orbit Block, Double Becket SwivelLightweightKilogram for a kilogram of working load, BB and RT Orbit Blocks™ are the world’s lightest. The unique orbital design allows the bearing to only be in the active areas of the floating...

Harken 57mm Triple Carbo Block - Swivel, Becket, Cam Cleat

57mm Triple Carbo Block - Swivel, Becket, Cam CleatCarbo Ratchets allow sailors to hand-hold loaded lines and offer a balance between holding power and controlled easing.Features:Sheave Ø (mm) 57 mmSheave Ø (in) 2 1/4 inMaximum line...

Harken 57mm Carbo Quad Block - Swivel

57mm Carbo Quad Block - SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming...

Harken 57mm Quad Block Swivel, Center Becket

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 blocks have very high working loads for safe, easy trimming...

Ronstan Series 55 BB Ball Bearing Orbit Block - Upright Lead

Series 55 BB Ball Bearing Orbit Block - Upright LeadFeatures:Ultra LightweightLow friction 2-stage Orbital ball bearing systemHighest working load in its classLow profile and compactHigh performance cleatingSpecifications:Sheave: 2-5/32"Max Rope:...

Harken Midrange Single w/Aluminum Sheave Block

Midrange Single with Aluminum Sheave BlockMidrange blocks’ robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on a ball bearing system for fast trim and release under any...

Harken Midrange Single Block

Midrange Single BlockMidrange blocks’ robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on a ball bearing system for fast trim and release under any load...