Blocks

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...

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...

Harken Midrange Double Block

Midrange Double 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...

Harken 60mm Element Stand Up Block

60mm Element Stand Up BlockStand-up blocks are an addition to our Element line. Use them for sheeting and halyard systems, running backstays, controls and other applications where you don’t want the block to hit the deck.Element blocks introduce...

Harken 80mm Element Stand Up Block

80mm Element Stand Up BlockStand-up blocks are an addition to our Element line. Use them for sheeting and halyard systems, running backstays, controls and other applications where you don’t want the block to hit the deck.Element blocks introduce...

Harken 80mm Single Element Block Mastbase w/Swivel

80mm Single Element Block Mastbase 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 amount of...

Harken 60mm Single Element Block Mastbase w/Swivel

60mm Single Element Block Mastbase 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 amount of...

Harken 38mm Double Big Bullet Block w/Becket

38mm Double Big Bullet Block with BecketLow-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line...

Harken 38mm Double Big Bullet Block

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 loads. A range of styles lets these blocks adapt to almost all control line applications...

Harken 38mm Single Big Bullet Block w/Becket

38mm Single Big Bullet Block with BecketLow-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line...

Harken 38mm Single Big Bullet Block

38mm Single Big Bullet BlockLow-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications...