16mm Double Block
Mouse Over to Zoom
Click to Enlarge

HARKEN16mm Double Block


In stock online.
Model # 190613 | Mfg # 406UPC # 97653014928
16mm Double Block




16mm Double 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 11/16 Inches
Mount Type Side Shackle
Ratchet Non Ratcheting
Safe Working Load 450 Pounds
Sheave Diameter 16 mm
Type Double
Weight .94 Ounces

Product Overview

Harken 16mm Double Block is ideal for small synthetic control lines on high-tech dinghies.

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. 

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): 450 lb. (204 kg)  
  • Breaking Load: 1200 lb. (544 kg)   
  • Weight: .94 oz. (27 g) 
  • Length: 1 11/16" (43 mm)


The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.

Related West Advisor Articles


Product Q & A