The Quick Adjust Hinged Collar and anodized logo/index markings are some of the unique and innovative features that make the Chinook Skinny Mast Extensions the most popular extensions on the market. Comes with the proven Power-Haul pulley and cleat system, EX or US format. 2 cm adjustment increments. Adds maximum 38cm to mast length.
Has new Power-Haul Pulley and cleat system. (6:1 max purchase). Line stows inside the extension when fully rigged. Push pin loading ramps. The standard for US mast bases(Compatible with many other brands). Metric index markings screened on.
Spec information here
Free Shipping on orders over 50$ at Tightboards.com