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 2025-05-03 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 Metal Camber Spacer K4 Fins Slot Box Box Blanker 90mm Goya Footstrap Anti Twist Washer Chinook Rubber Power Joint Joint 8mm Ezzy Roller Cam K4 Fins US Box Blanker Patrik Tendon Joint Goya Fin Bolt Rubber Washer Chinook Mast Cup Kit Streamlined Tendon Joint