38mm Big Bullet Single Block, Swivel


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Model # 196295 | Mfg # 168 | UPC # 97653005209

Harken 38mm Big Bullet Single Block for fast trim and release under high or low loads. 

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 1/4" (83 mm)


38mm Big Bullet Single Block, Swivel

Name Value
Ball Bearings Delrin
Becket No Becket
Diameter 3/8 Inch
Direction Any
Integral Cleat No Integral Cleat
Length 3 1/4 Inches
Mount Type Swivel Shackle
Ratchet Non Ratcheting
Safe Working Load 300 Pounds
Sheave Diameter 38 mm
Type Single
Weight 2.25 Ounces


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