Over 1,000 lbs.Capacity * Specifically Designed With a Shortened Base Frame to Fit Perfectly In All Smith Machines, Power Racks, and Multi-Press Racks * Improved Design Features Quick, Easy, Solid, and Secure 6-Position Ladder-Style Back Pad Adjustment * Adjustable Seat Pad Allows All Size Users to do Bent Knee Sit-Ups and Ab Crunches With Proper Lower Back Support and Hip Alignment * Includes T-Bar Leg Hold Down Attachment