57mm ESP Single Lockoff Footblock
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HARKEN57mm ESP Single Lockoff Footblock


Fulfilled from vendor
Model # 5366943 | Mfg # 6077UPC # 97653135586
57mm ESP Single Lockoff Footblock




57mm ESP Single Lockoff Footblock

Name Value
Ball Bearings Torlon
Becket No Becket
Diameter 5/8 Inch or 16 mm
Direction Any
Integral Cleat Integral Lockoff
Length 3 7/8 Inches
Mount Type Mechanical Fasteners
Ratchet Non Ratcheting
Safe Working Load 2500 Pounds
Sheave Diameter 57 mm
Type Cheek/Foot
Weight 8 Ounces

Product Overview

Harken 57mm ESP Single Lockoff Footblock temporarily secures sheets and redirects lines on the deck.

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.

Key Features 

  • Carbon-black Torlon® ball bearings
  • Long-glass engineered plastic Sheave
  • Contained-axle sleeve 
  • Stainless steel swivel shackle
  • Sleeve bearings to handle high static loads 
  • Use to hold sheet lines temporarily   


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