Sale 38mm Big Bullet Thru-Deck Block
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HARKEN38mm Big Bullet Thru-Deck Block


20% Off - Ends 06/20/21

Regular $44.50

In stock online.
Model # 203380 | Mfg # 131UPC # 97653003366
38mm Big Bullet Thru-Deck Block




38mm Big Bullet Thru-Deck Block

Name Value
Ball Bearings Delrin
Becket No Becket
Diameter 3/8 Inch
Direction Any
Integral Cleat No Integral Cleat
Length 3 1/2 Inches
Mount Type Mechanical Fasteners
Ratchet Non Ratcheting
Safe Working Load 300 Pounds
Sheave Diameter 38 mm
Type Single Thru-Deck
Weight 2.25 Ounces

Product Overview

Harken 38mm Big Bullet Thru-Deck block allows lead control lines through the deck and bulkhead of offshore boats.

Big Bullet blocks can be used as main or jib sheet blocks on dinghies, or for control line applications, such as travelers, cunninghams or boom vangs on offshore boats. Low-friction Big Bullet Blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. Delrin sheave and ball bearings. Cheek material constructed from reinforced plastic with stainless steel straps. Where applicable, blocks use #10 fasteners.

Key Features 

  • Use as main or jib sheet blocks on dinghies, or control lines on offshore boats
  • Delrin® ball bearings
  • Wrap-around stainless straps
  • Lead control lines aft
  • Hardkote-anodized Teflon impregnated aluminum sheaves
  • Sheave Diameter: 1 1/2" (38 mm) 
  • Max. Line Diameter: 3/8" (10 mm)  
  • Max. Working Load (MWL): 300 lb. (136 kg)  
  • Breaking Load: 2000 lb. (907 kg)   
  • Weight: 2.25 oz. (64 g) 
  • Length: 3 1/2" (89 mm)
  • Mounting hole spacing 2 7/8" (73 mm)


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