Pro Series Sight Tapes are printed with UV ink directly onto waterproof self-adhesive vinyl. Simply find your gap measurement then match to the tape, cutout to fit your sight, peel and apply. 100 percent waterproof when applied directly to the sight. Average tape distance is 1 fps. Available in 3 series: A (200-245 fps), B (240-290 fps) and C (280-330 fps).