38mm Single High-Strength Block
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HARKEN38mm Single High-Strength Block


In stock online.
Model # 359687 | Mfg # 304UPC # 97653010258
38mm Single High-Strength Block




38mm Single High-Strength Block

Name Value
Ball Bearings Delrin
Becket No Becket
Diameter 1/8 Inch or 3 mm
Direction Any
Integral Cleat No Integral Cleat
Mount Type Side Shackle
Ratchet Non Ratcheting
Safe Working Load 1500 Pounds
Sheave Diameter 25 mm
Type Single
Weight 2.75 Ounces

Product Overview

Harken 38mm Single High-Strength Block for a variety of running and standing rigging applications.

Harken's Lightweight, low-friction blocks with high-load composite bearings carry wire halyards and control line cascades. Side-load balls reduce friction from twists or unfair leads on 304-311. 300-303 has thrust washers. Blocks open to allow passage of swaged wire. Hard Lube-anodized sheave for strength and corrosion resistance. Cheek blocks include fasteners.

Key Features

  • Impregnated Hardkote anodized aluminum bearings
  • Side-load carbon-black Delrin® washers
  • Use for wire halyards, vangs, control lines
  • Polished stainless steel strap type fixed shackle
  • Sheave Diameter: 1 1/2" (38 mm) 
  • Max. Wire Diameter: 1/8" (3 mm)  
  • Max. Working Load (MWL): 1500 lb. (680 kg)  
  • Breaking Load: 3000 lb. (1361 kg)   
  • Weight: 2.75 oz. (78 g) 


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