29mm Single Block with Sister Clip Block


In stock online.
Model # 12907903 | Mfg # PA0178-74 | UPC # 687758083600

Used on production dinghies like Lasers and other popular classes. Acetal resin with stainless steel axle and plain bearings. The Allen plain bearing all nylon sheet blocks can be used in a number of applications. They have been adopted by the Laser class as the block of choice for use on the mainsheet system.

  • Length: 69mm
  • Line Dia.: 8mm
  • Breaking Load: 250kg.
  • Weight: 23g
 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.


29mm Single Block with Sister Clip Block

Name Value
Becket No Becket
Diameter 5/16 Inch or 8 mm
Integral Cleat No Integral Cleat
Length 2 3/4 Inches
Mount Type Hook-In
Ratchet Non Ratcheting
Safe Working Load 300 Pounds
Sheave Diameter 32 mm
Type Single
Weight 0.8 Ounces


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