Collection: Harken 57mm & 75mm Carbo Ratchet Blocks
Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing.
Nylon resin sideplates are densely packed with long-glass fibers for a compact block with a high strength-to-weight ratio. Machined aluminum sheaves are hardcoat anodized for strength and corrosion resistance. Eight facets hold line securely. Ball bearings, sheave, and sideplates are UV-stabilized with carbon black for maximum protection.
The 57 mm and 75 mm switchable ratchets provide precise on/off control with accessible, easy-to-operate on/off switches on both sides of the block.
For the ultimate system, mount a switchable ratchet in the cockpit and a boom-mounted Ratchamatic® directly above for double holding power in heavy air and a free-running mainsheet when it’s light. The 75 mm provides up to 15:1 holding power; the 57 mm 10:1.
Use for:
Main/jib/spinnaker sheets
Mainsheet fine-tune
Traveler controls
Genoa leads
Foreguy
Vangs
Nylon resin sideplates are densely packed with long-glass fibers for a compact block with a high strength-to-weight ratio. Machined aluminum sheaves are hardcoat anodized for strength and corrosion resistance. Eight facets hold line securely. Ball bearings, sheave, and sideplates are UV-stabilized with carbon black for maximum protection.
The 57 mm and 75 mm switchable ratchets provide precise on/off control with accessible, easy-to-operate on/off switches on both sides of the block.
For the ultimate system, mount a switchable ratchet in the cockpit and a boom-mounted Ratchamatic® directly above for double holding power in heavy air and a free-running mainsheet when it’s light. The 75 mm provides up to 15:1 holding power; the 57 mm 10:1.
Use for:
Main/jib/spinnaker sheets
Mainsheet fine-tune
Traveler controls
Genoa leads
Foreguy
Vangs
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Harken 57mm Single Swivel Carbo Ratchet Block
Regular price $74.66 USDRegular priceUnit price / per$93.95 USDSale price $74.66 USDSale -
Harken 57 mm Ratchet Block — Swivel, Red Sheave
Regular price $78.26 USDRegular priceUnit price / per$98.60 USDSale price $78.26 USDSale -
Harken 57 mm Ratchamatic® Block — Swivel, Red Sheave
Regular price $110.66 USDRegular priceUnit price / per$139.05 USDSale price $110.66 USDSale -
Harken 57mm T2 Carbo Soft-Attach Ratchamatic® Block — Red Sheave
Regular price $80.96 USDRegular priceUnit price / per$102.50 USDSale price $80.96 USDSale -
Harken 75 mm Ratchet Block — Swivel, 2x Grip
Regular price $96.26 USDRegular priceUnit price / per$121.70 USDSale price $96.26 USDSale -
Harken 57mm Single Swivel Carbo Ratchet Block w/ Cam Cleat
Regular price $168.26 USDRegular priceUnit price / per$212.30 USDSale price $168.26 USDSale -
Harken 57mm Triple Swivel Carbo Ratchet Block w/ Cam Cleat & Becket
Regular price $250.16 USDRegular priceUnit price / per$316.10 USDSale price $250.16 USDSale -
Harken 75mm Single Swivel Carbo Ratchet Block
Regular price $89.96 USDRegular priceUnit price / per$113.70 USDSale price $89.96 USDSale -
Harken 57mm Carbo Ratchet Cheek Block
Regular price $80.06 USDRegular priceUnit price / per$101.30 USDSale price $80.06 USDSale -
Harken 27 mm Stand-Up Toggle — 6 or 8 mm Pin, Control Tangs
Regular price $81.86 USDRegular priceUnit price / per$102.90 USDSale price $81.86 USDSale -
Harken 75mm Single Swivel Carbo Ratchet Block w/ Becket
Regular price $101.66 USDRegular priceUnit price / per$128.50 USDSale price $101.66 USDSale -
Harken 57mm Single Swivel Carbo Ratchet Block w/ Becket
Regular price $80.96 USDRegular priceUnit price / per$101.85 USDSale price $80.96 USDSale -
Harken 57mm Double Swivel Carbo Ratchet Block
Regular price $194.36 USDRegular priceUnit price / per$245.25 USDSale price $194.36 USDSale -
Harken 75mm Carbo Ratchet Cheek Block
Regular price $92.66 USDRegular priceUnit price / per$116.25 USDSale price $92.66 USDSale -
Harken 57mm Triple Swivel Carbo Ratchet Block w/ Cam Cleat
Regular price $244.76 USDRegular priceUnit price / per$309.15 USDSale price $244.76 USDSale -
Harken 57mm Single Swivel Carbo Ratchet Block w/ Cam Cleat & Becket
Regular price $173.66 USDRegular priceUnit price / per$219.15 USDSale price $173.66 USDSale