Harken 57mm Aluminum Low-Load Mastcollar ESP Block (6mm pin) ACR Replacement Bulbs Cleaning and greasing every 2

Cleaning and greasing every 2 years is also necessary for extending the lifetime of your gear

26 in 83 mm Weight w/o Trip 2 lb 9 oz 1

2 mm Width (mm) 65

J/105 - Main Halyard including Tylaska Headboard Shackle

32" and 40" diameters

Harken 57mm Aluminum Low-Load Mastcollar ESP Block (6mm pin) ACR Replacement Bulbs Cleaning and greasing every 2Harken 57mm Aluminum Low Load Mastcollar ESP Block (6mm pin) 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 halyards or limited purchase systems on cruising boats. Technical Description Sheave (mm) 57 mm Sheave (in) 2 1 4 in Length (mm) 89 mm Length (in) 3 1 2 in Weight (g) 113 g Weight (oz) 4 oz Maximum