Product CatalogueSports and OutdoorsWindsurfing OtherBits and PiecesChinook SDM Mast Ferrule Sealing Plug Back Chinook Chinook SDM Mast Ferrule Sealing Plug Product ID: ferrulplug Brand: Chinook 2025-08-31 From: $9.99 AUD View or buy the Bits and Pieces Windsurfing Other - Chinook SDM Mast Ferrule Sealing Plug from Chinook to discover other options and shipping details. Description Plastic cap sealing cap for Chinook SDM mast ferrule Two sizes Sealing Plug Ferrral fits ID 31.5mm-37mm Sealing Plug Ferrral fits ID 26.5mm-34mm Back to Windsurfing Other - Bits and Pieces More Bits and Pieces and others in our range Patrik SDM Cambers Patrik US Box G10 Blanker Patrik EVA Nose Protector Foil Board Patrik Adjustable Batten End Patrik GC Tekcam Large Cambers Goya Footstrap Anti Twist Washer Goya Fin Bolt Rubber Washer Chinook Mechanical Uni Joint Streamlined Quick Connect Deck Plate Streamlined Tendon Joint