The Quick Fist Long Arm holds objects from 1/2″ to 4-1/2″ (13mm to 114mm) in diameter. Each Quick Fist Long Arm supports a safe working load of 50-lbs (23k) with a breaking strength of 120-lbs(55k) Mounts easily with two 1/4″ bolts and washers or #14 wood or sheet metal screws. (hardware not included) Excellent for holding items that are coiled like rope, air hose, garden hose, cable, etc. Easily holds multiple tools like shovels and rakes. Holds equipment with handles like compressors, portable pumps, and hose reels securely to walls, trailers, or compartments. QUICK FIST Clamps are made in the USA of heavy duty transportation grade rubber and are not affected by hot or cold climates or salt. The rubber is also UV resistant.