Chinook continues to lead in quality components, with superior hardware and innovative products. Take this Aluminum Mast Extension for Standard Diameter Masts (SDM). It incorporates the easy-to-use Power Haul cleat and pulley system that offers an 6:1 purchase, and a unique collar pin that adjusts with one hand. Durable and dependable, it’s available in US Base and Euro Pin construction.
The new 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 Power-Haul pulley and cleat system and 2 cm adjustment increments.
- Standard Diameter
- Large brass pulleys for increased leverage