Product CatalogueSports and OutdoorsWindsurfing OtherBits and PiecesPatrik Mast Extension Adjustable Collar SDM Back Patrik Patrik Mast Extension Adjustable Collar SDM Product ID: 597946 Brand: Patrik 2025-05-25 From: $29.99 AUD View or buy the Bits and Pieces Windsurfing Other - Patrik Mast Extension Adjustable Collar SDM from Patrik to discover other options and shipping details. Description Adjustable Collar for SDM Carbon or Aluminium Mast Extension Spring loaded for easy one handed operation Back to Windsurfing Other - Bits and Pieces More Bits and Pieces and others in our range Patrik SDM Cambers Chinook Delrin Washer Channelled Chinook 4.0 mm Spectra Downhaul Rope Chinook Coffee Mug Chinook Deck Washer Chinook Rubber Universal Joint Kit Chinook Footstrap Retaining System Patrik 4.0 mm Spectra Dyneema Downhaul Rope Chinook Mechanical Uni Joint Ezzy Sail Keyring