unifiber hd aluminium sdm extension 1 Size:5 - 45 cm High aspect

High aspect

We present the Unifiber tension straps

The mast extension is not only super aesthetic

the large luff panel expanding to significantly increase the depth of the draft

unifiber hd aluminium sdm extension 1 Size:5 - 45 cm High aspectIntroducing the Unifiber HD Aluminum SDM Extension. If your sail requires high downhaul tension, the HD SDM Extension is the right tool for the job. The base itself is made of high quality polyamide to withstand the high tension of the downhaul. With a 3 roller pulley, the Extension reduces the effort you need to trim even a slalom sail. The functional length can be adjusted with one hand using the collar.