Harken 57mm Carbo Single Ratchet Block w/Swivel & Becket – Marine Boat Replacement Part is organized for lighting & visibility shoppers who need a clear, professional marine parts buying experience.

57mm Carbo Single Ratchet Block with Swivel & Becket Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Features: Sheave Ø (mm): 57 mm Sheave Ø (in): 2-1/4 in Maximum line Ø (mm): 10 mm Maximum line Ø (in): 3/8 in Maximum working load (kg): 227 kg Maximum working load (lb): 500 lb

Fitment & Product Details

• Brand / Manufacturer: Harken

• Search-optimized by brand, system, part type, and fitment cues.
• Verify compatibility with your original part number, engine model, and application before ordering.
• Built for boat owners, e-commerce shoppers, and professional marine service teams.