SDM Mast exstension in aluminium by Gun-sails!
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The GUNSAILS Pro XT extensions guarantee maximum durability and function. The stainless steel fittings are easy and intuitive to handle and indestructible in use. With the smooth-running wheels and the included Dyneema rope, the trim power of each sail will be reduced to a minimum. It doesn't matter how the trim block of your sail is mounted, with the Pro XT extensions the trimming always works without rope-crossing.
> Anodised aluminium mast extension for all SDM masts
> Height adjustment by snap ring with hinge and rubber every 20 mm
> Solid stainless steel trim block
> 3 easily running rolls incl. Dyneema rope, rope guide through axis
> Suitable for all sail brands, no matter how the trim pulley of your sail is aligned
> Metal push button for release
> Compatible with Classic Base, Cardan Base, Pro Base Pin, Tendon HD and all pin systems of other manufacturers