Harken 57mm ESP Single Block includes an integral becket that allows either a 2:1 or 3:1 purchase.
Designed to handle the high loads generated by modern racing and cruising boats, ESP blocks feature sleeve bearings to ensure smooth, hitch-free performance under high load and heavy winds. Simple design and construction for handling high static loads on cruising boats. Ideal for halyards or limited purchase systems on cruising boats. Aluminum or polished stainless steel.
