Metal Collar for Windsurfing Extension Specifically made for the Nautix mast extension to fit SDM masts. It has a 45.5mm inside diameter/47.7mm outside diameter - will work with many mast extensions...
Naish Windsurfing Extension 0-28cm SDM
Double pin (known as the Chinook type, C type or U.S. type of fitting) windsurfing extension for SDM masts
Big rollers, really well positioned cleat for easy...
The Chinook Sailing Aluminum Euro Pin EX-RDM-Medium 28cm Extension uses custom alloy and bell shaped tubing to provide the best weight to strength ratio available in aluminum...
Radz RDM Euro Pin Windsurf Mast Extension Alloy windsurf extension to fit a RDM mast and a standard Euro (North type) pin UJ. Push button for easy release. 3 large rollers for easy downhauling...