Blocks - Single

Harken 57mm Triple Ratchamatic Block - Swivel, Becket, Cam Cleat The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between...

Harken 75mm Block - Swivel, Cam Cleat Low-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...

Harken 75mm Block - Swivel, Becket, Cam Cleat Low-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...

Harken 75mm Ratchet Block - Swivel, Becket Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing Part Number Sheave Dia. Length Weight Max. Line Dia. Max. Working...

Harken 75mm Ratchamatic Block - Swivel, Becket The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and...

Harken 75mm Ratchamatic Block - Swivel The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes...

Harken 75mm Ratchamatic Block - Swivel, Becket, Cam Cleat The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet...

Harken 75mm Ratchamatic Block - Swivel, Cam Cleat The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and...

Harken Crossover Block, 56mm Crossover blocks provide a cleaner, more efficient deck. These easy-to-install blocks mount behind the stopper bank on each side of the cabin house and can route any line to the winch on the opposite side. Use the 1981 for...

Harken Crossover Block, 44mm Crossover blocks provide a cleaner, more efficient deck. These easy-to-install blocks mount behind the stopper bank on each side of the cabin house and can route any line to the winch on the opposite side. Use the 1984 for...

Harken Aluminum Mastbase Block, 44mm Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase. Part Number Height Length Sheave Dia. Width Weight Max Line Dia. Max...

Harken Aluminium Mastbase Block, 57mm Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase. Part Number Height Length Sheave Dia. Width Weight Max Line Dia. Max...

Harken 57mm Ratchet Block - Swivel, Red Sheave Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Part Number Sheave Dia. Length Weight Max. Line Dia. Max...

Harken 57mm Ratchet Block - Swivel, Becket Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Part Number Sheave Dia. Length Weight Max. Line Dia. Max. Working...

Harken 2.25" Block - Swivel, Becket The 2.25 in (57 mm) blocks are compact and lightweight, with fast trim and release under high or low loads. Perfect for dinghies, scows, beachcats and iceboats, as well as small offshore racers and cruisers...

Harken Heavy-Duty Swivel Block, 3" The 3.00 (76 mm) blocks are compact and lightweight, with fast trim and release under high or low loads. Perfect for dinghies, scows, beachcats and iceboats, as well as small offshore racers and cruisers...

Harken Hexaratchet Block - Swivel, Starboard Hexaratchets® grip loaded sheets, yet allow sailors to ease and trim quickly and with complete control. A switch on the side engages and disengages the ratchet mechanism. Use the 043 or 044 reverse...

Harken Hexaratchet Block 2.25" - Swivel, Starboard Hexaratchets® grip loaded sheets, yet allow sailors to ease and trim quickly and with complete control. A switch on the side engages and disengages the ratchet mechanism. Use the 043 or 044...

Harken Hexaratchet Block - Swivel, Becket, Cam Cleat, 3" Hexaratchets® grip loaded sheets, yet allow sailors to ease and trim quickly and with complete control. A switch on the side engages and disengages the ratchet mechanism. Use the 043...

Harken Big Bullet Block - Becket, Shackle, 38mm Low-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...