Harken Aluminum ESP Mastcollar Block - 57mm Pettit Sheaves feature sleeve bearings to

Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats

Maximum working load (lb) - 2000 lb

and will not freeze or become brittle with age

Smoove “Bubble Gum” Micro-Polish w/High Gloss Polymer - Quart

Suitable for engine or gearbox oil drains via dipstick hole

Harken Aluminum ESP Mastcollar Block - 57mm Pettit Sheaves feature sleeve bearings toCruising 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.