Yukon's Heavy Duty Commercial Sled is the ultimate for lower body sculpting. The sophisticated eight roller system incorporates four 4" heavy duty sealed bearing industrial rollers combined with four 2" side rollers which make the smoothest, quietest sled in the industry. The side rollers provide perfect alignment and eliminate twisting. Plates are loaded underneath to meet minimize space requirements and ensure maximum safety. Unique design uses 2 1/2" commercial padding and eliminates pad changes. Yukon's completely new safety spotter arm system allows you to push yourself for a worry free workout.