UNIFIBER WINCH (U-PIN)Rig up faster and easier with the Unifiber 2 1 Winch, the must need tool for any windsurfer! Years of rigging have lead to the ultimate design that allows you to quickly set your downhaul without hurting your hands and get the most precise settings possible. Because the diameter of the Unifiber winch is only 10 mm, it's lighter to use than other winches. The 2 1 winch can be used in two ways. You can insert the pin into the bottom of your extension