Rugged general purpose dolly. Heavy gauge electric-welded steel tubing. 3" diameter x 1 1/4" non-marring, full swivel casters. Carries up to 800 lbs. Non-skid, non-marring bonded vinyl finish to cushion load. Coating also works effectively to securely keep load in place. With optional cradle, model 1420/1430 adapts to any irregular-shaped object.