Product CatalogueSports and OutdoorsWindsurfing OtherBits and PiecesPatrik Mast Extension Adjustable Collar RDM Back Patrik Patrik Mast Extension Adjustable Collar RDM Product ID: 597954 Brand: Patrik 2025-05-02 From: $29.99 AUD View or buy the Bits and Pieces Windsurfing Other - Patrik Mast Extension Adjustable Collar RDM from Patrik to discover other options and shipping details. Description Adjustable Collar for RDM 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 Tube Rod Batten Joiner Dynafiber Rubber Power Joint Boge 10mm Surf Sail Australia Vent Screw O Ring Patrik Mast Extension Adjustable Collar RDM Chinook Fin Bolt Neoprene Washer Patrik 4.0 mm Spectra Dyneema Downhaul Rope Chinook 4 mm Prestretch Rope Chinook QR Deck Plate No Hardware Chinook Adjustable Collar And Pin For RDM Extension Chinook Deck Washer