These Rubber Straps from Kolpin are a replacement strap for Kolpin Rhino Gear Grips. Pick up a pair of these rubber replacement straps when yours are worn out or accidentally get damaged. Fits:Kolpin # 21500 Rhino Grip - SingleKolpin # 21505 Rhino Grip - DoubleKolpin # 21510 Rhino Grip XL - SingleKolpin # 21515 Rhino Grip XL - DoubleKolpin # 21520 Rhino Grip w/ Suction Cup MountKolpin # 21525 Rhino Grip w/ Adhesive Mount