The Nautix aluminium RDM (Reduced Diameter Mast) universal shaft extensions are easy to use and adjust thanks to the new metal ring. They are compatible with the same type of mast. The RDM extensions are primarily intended for wave use.
The adjustment of your RDM Universal Axis aluminium extension is easily done every 2cm between 0 and 38cm. The extension is compatible with the universal axis mast legs. It can be rigged with 4 or 6 strands.