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Unifiber SDM PRO stainless steel mast extension U-pin



About our SDM Extensions

Heavy Duty. Light Weight. 

We beefed-up our tough line of mast extensions. Take your choice from a winning line of Carbon and Aluminium mast extensions, including Heavy Duty (HD) and PRO and PRO Stainless versions for super-efficient load distribution. All extensions are universal pin compatible except the Aluminium US-System extension and feature large diameter pulleys for slick downhauling power.

lease configure this product to see the stock availability including 8 week forecast.

For ultimate anti-corrosion the PRO Stainless reaches new levels of durability. Internal reinforcements, precision tooled pulley blocks with inline wheels (Suitable only for sails with correct pulley orientation) to prevent line-twisting and superb transfer of power. Marine Grade Stainless Steel not only prevents rust but offers the most comprehensive protecting against wear of moving parts. Invest in one of these and even your Great Great Grandchildren will thank you. Available sizes: 15 / 30 / 45 cm.

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