Harken 75mm Cruising ESP Sheave Self-contained sheaves are designed for sailors to use in custom applications. Use Cruising ESP sheaves to handle high static loads from halyards and reef lines...

Harken 40mm Cruising ESP Sheave Self-contained sheaves are designed for sailors to use in custom applications. Use Cruising ESP sheaves to handle high static loads from halyards and reef lines...

NoneSheave ∅ (mm)57mmLength (mm)252mmWeight (g)595gMaximum line ∅ (mm)16mmMaximum working load (kg)2721kgMaximum working load/sheave (kg)1134kgBreaking load (kg)

Harken 57mm Aluminum ESP Organizer - 3 Sheave Deck organizers lead halyards and control lines aft, allowing crew to sail from the security of the cockpit. They lead a large number of lines through a...

Harken 57mm Delrin Sheave Self-contained sheaves are designed for sailors to use in custom applications. 2760 sheaves are Delrin® acetal resin with Delrin® ball bearings. They are scored for...

Harken 57mm High-Load Sheave High-load sheaves are offered as replacement parts or for use in special applications. Their bearing system combines sideload-carrying balls with a PTFE composite...

Stand-up bases allow a wide variety of blocks to beheld upright, swivel freely, or pivot so lines have a fair lead under load. Use the 1634 stand-up base with Midrange blocksand 57 mm or 75 mm...

Harken 57mm Aluminium Padeye ESP Block Cruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle...

Cruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for...