16mm Hook-In Halyard Block
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HARKEN16mm Hook-In Halyard Block


In stock online.
Model # 5305701 | Mfg # 391UPC # 97653113690
16mm Hook-In Halyard Block




16mm Hook-In Halyard Block

Name Value
Ball Bearings Stainless Steel
Becket No Becket
Diameter 3/16 Inch or 5 mm
Direction Any
Integral Cleat No Integral Cleat
Length 1 5/8 Inches
Mount Type Hook-In
Ratchet Non Ratcheting
Safe Working Load 250 Pounds
Sheave Diameter 16 mm
Type Single
Weight .5 Ounces

Product Overview

Harken 16mm Hook-In Halyard Block to hook through cunningham and leech grommets.

16mm 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. Use with small synthetic control lines found on high-tech 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 hook
  • Sheave Diameter: 5/8" (16 mm) 
  • Max. Line Diameter: 7/32" (5 mm)  
  • Max. Working Load (MWL): 250 lb. (113 kg)  
  • Breaking Load: 400 lb. (181 kg)   
  • Weight: .5 oz. (13 g) 
  • Length: 1 5/8" (41 mm)


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