Marine Grip Tape - 3 x 12' - Grey - 8 Pieces Harken Marine Grip is a thin, reliable, nonabrasive grip tape that is more effective than adhesive alternatives, waxes and other products that reduces slipping. It also stands up to extreme marine conditions on boats, docks and stairs. The superior grip is simple to install, clean and apply, and is cost-effective. And because it’s nonabrasive, it won’t damage clothing, wetsuits or skin. Harken Marine Grip is nonabsorbent, UV stable and good for all temperatures. When compared, Harken Marine Grip outgrips other adhesive alternatives and waxes.