Mini Quick Fist Clamp for mounting tools & equipment  5/8" - 1-3/8" diameter (Pack of 2) Holds objects 5/8-inches to 1-3/8-inches (16 to 35 millimeters) in diameter Each clamp supports 25 pounds (11 kilos) Not affected by hot or cold climates UV resistant; made of heavy duty transportation grade rubber Mounts easily with one #10 screw or bolt (not included)