HARKEN 57mm Stainless Steel ESP Block - Swivel, 6068

Harken 57mm ESP Single Block 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 loads 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.

Note: Special Order Only

• Carbon-black Torlon ball bearings
• Long-glass engineered plastic sheave
• Contained-axle sleeve
• Stainless steel swivel shackle 

Footblocks:

• Use for reef lines and genoa sheets where the angle is not extreme
• Can be double-stacked
• Footblock with lock off temporarily secures sheets; mounts using two screws
• Flip to install on opposite side of boat Teardrop Blocks
• Ideal for mastbase halyard leads
• Direct attachment to padeyes/mast collar posts
• One type mounts to padeyes another to mast collar swivel posts
• Blocks do not hit the deck when lines are slack