Harken 40mm Cruising ESP Sheave

Harken 57mm 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 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...

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...

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

NoneSheave ∅ (mm)40mmLength (mm)179mmWeight (g)284gMaximum line ∅ (mm)12mmMaximum working load (kg)1361kgMaximum working load/sheave (kg)567kgBreaking load (kg)2