Chinook Aluminum Extension US Cup Medium 28cm
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.
- Adds maximum of 28cm to mast length
- Standard Diameter
- US Basecup
- Large brass pulleys for increased leverage