Body-Solid"s Exclusive Lifetime, In-Home Warranty Provides 100% Coverage for Every Part, Including Normal Wear Items * Quad Track Roller System Operates Smoothly and Distributes Weight Evenly * Both Back Pads Utilize a Quick Flip-and-Lock Mechanism * Extra Heavy-Duty 2" x 4" 11-Gauge Steel Mainframe Minimizes Torsional Flex for Maximum Strength and Stability * Capacity of 1,000 lbs