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 Surf Sail Australia Mini Tuttle Plastic Cover With Screw Chinook Rubber Universal Joint Kit Chinook Tendon Joint Patrik Slot Box Box Blanker 130mm Surf Sail Australia Mini Tuttle Plastic Cover Chinook QR Deck Plate Goya Adjustable Collar And Pin For RDM Extension Chinook RDM Boom Shim for Pro Front End Chinook Vent Slot Screw Chinook Coffee Mug