Chinook Aluminum SDM Extension - Cup Style

Article code 072411
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  • Overview
  • Chinook Aluminum SDM (Standard Diameter Mast) Extension Cup Style

Product details

The new Six Pin adjusting collar and anodized logo/index markings are some of the unique and innovative features that make these the most popular extensions on the market. Standard with the proven US Power-Haul pulley and cleat system and 2 cm adjustment increments.

  • Standard Diameter Mast (48mm inside diameter)
  • US Basecup
  • Large brass pulleys for increased leverage