Kolpin Rhino Grip - Replacement Rubber Straps - Pair - Two Straps included. Replacement Straps for the following Rhino Grip products - 21500 Rhino Grip - Single 21505 Rhino Grip - Double 21510 Rhino Grip XL - Single 21515 Rhino Grip XL - Double 21520 Rhino Grip with Suction Cup Mount 21525 Rhino Grip with Adhesive Mount