The Utility Workbench incorporates the unique patented linkage seat system that allows for use in any rack. In seconds go from one position to the next with great ease. Comfortable in all positions from decline, through flat, incline and up to a true 90 degree angle. The bench comes standard with the leg extension/leg curl attachment that provides the lever lock down system for use during abdominal work. To top it off the Utility Workbench incorporates back wheels for easy mobility. The Arm curl attachments can be purchased separately and be used on this bench. Dimensions: 50"L x 24"W x 22"H Weight load capacities: Bench = 600 Lbs, Leg lift = 250 Lbs