Chinook Alum. Extension - Euro pin

Chinook Aluminum Mast Extension - Euro Pin (Standard Diameter)

These Chinook extensions are the SDM version, made to fit standard diameter masts and fit a Euro pin style mast foot. The aluminum alloy is lightweight and durable and the EX power-haul pulley and cleat system has oversized brass pulleys to make downhauling easier. The adjustment is via a collar and pin system and is fool-proof.
 
The short size gives you up to 12cm of extension, medium is up to 28cm of extension and long is up to 38cm of extension.