Gunsails mast Extension RDM ClassicThe Gunsails mast extension made of robust T8 aluminum with U pin mount is suitable for all common RDM masts. Thanks to the two smooth running rollers and the 3 fold deflection, you can trim your sail effortlessly and reduce the trimming forces of your sail to a minimum. The steel pin, which can be set every 25mm, ensures that your height adjustment remains in place.
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