Chinook 1-Bolt Rubber Mast Base US Cup
The Chinook Sailing 1-Bolt Twist-On Mast Base Universal Complete US Base Cup is user friendly and built to last for season after season.
- Rubber joint provides excellent performance
- Very low to the deck
- Four finger ribs for easy adjustment
- US Base Cup attachment to extension
- ONLY AVAILABLE AS 1-BOLT US BASE AT THIS TIME