Sophisticated eight roller system incorporates four 4″ heavy duty sealed bearing industrial rollers combined with four 2″ side rollers which provide the smoothest quietest sled in the industry. The side rollers provide perfect alignment and eliminate twisting. Plate loaded underneath to minimize space requirements and ensure maximum safety. Unique design uses 2 1/2″ commercial padding and eliminates pad changes. Completely new safety spotter arm system. Produced from eleven gauge, 2 1/2″ x 2 1/2″ steel tubing with a durable powder coat finish. Capacity is 1,500 lbs.