DAVIS QUICK FIST CLAMP Securing your equipment just got a whole lot easier! Quick Fist«, a one-piece rubber clamp, is ideal for stowing or transporting tools. Quick Fist« mounts easily to keep tools and equipment firmly in place. Ideal for off-road trucks, boats, military equipment, ATVs, or any vehicle. Quick Fist clamps are made of heavy-duty transportation grade rubber. TheyÆre UV resistant and withstand extreme heat or cold. Mount easily with #10 (5 mm) bolts or screws. Terrific for marine use, since Quick Fist will not rust or corrode. Holds objects from 7/8" to 2 1/4" in diameter (22mm - 57mm) Each clamp supports approximately 22 lbs. (10 kg) Mounting base measures 7/8ö x 2-3/4" (22 x 70 mm)