16mm Forkhead Block


In stock online.
Model # 6577308 | Mfg # 376 | UPC # 97653124665
16mm Forkhead Block



Harken 16mm Forkhead Block fits on a non-removable eye strap, with its removable pin.

16m Blocks have a lightweight design and a unique patented bearing system which uses stainless steel balls in a captive, grooved race. Very high working loads in an extremely lightweight block, with the best strength-to-weight ratios around. The Forkhead Block is often used on Cunningham and outhaul systems on Laser Class dinghies.

Key Features

  • Very high working loads in an extremely lightweight block
  • Lightweight design and a unique patented bearing system 
  • Stainless steel ball bearings
  • Polished 316 stainless steel top strap
  • Sheave Diameter: 5/8" (16 mm) 
  • Max. Line Diameter: 7/32" (5 mm)  
  • Max. Working Load (MWL): 250 lb. (113 kg)  
  • Breaking Load: 1200 lb. (544 kg)   
  • Weight: .38 oz. (11 g) 
  • Length: 1 1/8" (29 mm)


16mm Forkhead Block

Name Value
Becket No Becket
Diameter 3/16 Inch or 5 mm
Direction Any
Integral Cleat No Integral Cleat
Length 1 1/8 Inches
Mount Type Side Shackle
Ratchet Non Ratcheting
Safe Working Load 250 Pounds
Sheave Diameter 16 mm
Type Single
Weight .38 Ounces


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