Harken 40mm Fiddle Block - Swivel, Cam Cleat Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for...

Harken 75mm Double Block - Swivel 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 Triple Block - Swivel 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 Triple 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, 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 Triple 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...

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 57mm Fiddle Ratchet Block - Swivel, Becket, Cam Cleat Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing Note: Maximum working loads and breaking loads for blocks based on...

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 57mm Fiddle Ratchet Block - Swivel, Cam Cleat 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 Fiddle 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...

Harken 75mm Quad Block - Swivel 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 Cheek Ratchamatic Block 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 is...

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 5mm Triple 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 75mm 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 Control Block Kit, 27mm Includes: (4) 25 mm control blocks, (2) Small Boat deadends, (8) M5 fasteners Part Number HKN-T27KIT