Skip to content Skip to navigation menu
Live Chat

40mm Pivoting Lead Block with Carbo-Cam® cleat


Model # 15204258 | Mfg # 2157
In stock online.

High-strength pivoting lead blocks with cams are used for halyard controls on larger keelboats and as “head knockers” on dinghies and beach cats for sheeting directly from the boom. Hole spacing and rivet size are the same as Classic models, making upgrades easy. Cam reverses for either up or down cleating. Can be used as becket block.

  • Sheave Diameter: 1 9/16" (40 mm)
  • Length: 4 1/2" (112 mm)
  • Weight: 5.5 oz. (157 g)
  • Maximum line Diameter: 3/8" (10 mm)
  • Maximum working load: 200 lb. (91 kg)
  • Breaking load: 950 lb. (430 kg)

Footnote: Maximum working loads and breaking loads for blocks based on cam strengths.

West Advisor

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.