Chinook’s Skinny Aluminum mast extension features bombproof, single-piece aluminum construction, the Power Haul 6:1 pulley and cleat assembly, and an easy to adjust six pin adjustment collar. Available in US Base and Euro Pin construction, all Medium and Tall models ship free in the contiguous US.
Custom alloy and bell shaped tubing provide the best weight to strength available in aluminum. New easy to use Composite Snap Collar system eliminates lost pins or collars and can be quickly adjusted with one hand. All come with the proven Power-Haul pulley and cleat system and 2 cm adjustment increments.