HARKEN 57mm Aluminium Narrow Mast Collar ESP Block — 6 mm Clevis MA 204 AUTOMATIC Operation LoPro Pump

AUTOMATIC Operation LoPro Pump

Available in three textures:

The Velcro® strap is permanently attached to one sideplate and holds the block securely closed when sideplates are aligned—even under the highest loads

Bow Sprit Opening: Designed with a dedicated opening to accommodate the bow sprit and anchor for added convenience

Comes complete with mounting gear

HARKEN 57mm Aluminium Narrow Mast Collar ESP Block — 6 mm Clevis MA 204 AUTOMATIC Operation LoPro PumpCruising 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.