UNIFIBER ESSENTIALS HARNESS LINES FIXED VARIO STAINLESS STEELSet of Essentials windsurf harness lines that can be adjusted on the fly. These harness lines feature a heavy duty stainless steel buckle that allows length adjustments while sailing. Lines can be shortened by pulling on a dedicated loop while pressing the stainless steel buckle will unlock the line and allow it to be extended. A transparent tube shows the current condition of the line that can prevent unforeseen breakage. For installation, the boom