Product CatalogueSports and OutdoorsWindsurfing OtherBits and PiecesChinook Adjustable Collar And Pin For SDM Extension Back Chinook Chinook Adjustable Collar And Pin For SDM Extension Product ID: 603939 Brand: Chinook 2025-02-22 From: $44.99 AUD View or buy the Bits and Pieces Windsurfing Other - Chinook Adjustable Collar And Pin For SDM Extension from Chinook to discover other options and shipping details. Description New 2022 Model Fits Chinook SDM alloy and carbon mast extensions, captive pin cannot be lost Can be retro fitted to older SDM models Back to Windsurfing Other - Bits and Pieces More Bits and Pieces and others in our range Surf Sail Australia Mini Tuttle Plastic Cover Chinook Rubber Universal Joint Kit Ezzy Sail Keyring Goya Tendon Joint K4 Fins Mini Tuttle Box Blanker BLACK Chinook Deck Washer Patrik Tube Batten Tensioner Chinook Tendon Joint Patrik Tube Rod Batten Joiner Ezzy Split Cam