Product CatalogueSports and OutdoorsWindsurfing OtherBits and PiecesChinook SDM Mast Extension Cap Back Chinook Chinook SDM Mast Extension Cap Product ID: 178 Brand: Chinook 2025-03-25 From: $14.99 AUD View or buy the Bits and Pieces Windsurfing Other - Chinook SDM Mast Extension Cap from Chinook to discover other options and shipping details. Description Plastic cap for Chinook SDM mast extension. OD 48mm fits 44mm tube Back to Windsurfing Other - Bits and Pieces More Bits and Pieces and others in our range Chinook SDM Mast Ferrule Sealing Plug Patrik 4.0 mm Spectra Dyneema Downhaul Rope Chinook Delrin Flat Washer Goya Adjustable Collar And Pin For RDM Extension Select Fin Box Adaptor Bic (Trim) Ezzy Batten Tension Adjuster Ezzy Sail Keyring Streamlined Standard Collar And Pin Ezzy Batten Tension Adjuster Chinook SDM Mast Extension Collar And Pin