Butt Master L138 Specifications: Size: 60"(W) x 40"(L) x 62"(H) Stack Weight: 200 lbs. (20x10lb) Shipping Weight: 430 lbs. Target Muscle Groups - Glutes Features: Easy access side stack design Variable weight stack Adjustable knee & abdominal pads Arm rest with handles Adjustable Hip Support Pad Instructional Placard Kevlar Drive Belt for Longer Life & Smoother Performance Molded Feet for Floor Protection Protective Wear Guards on Upholstery High Use Areas Protective Weight Stack Shield Rubber Grip Handles Side-Stack Design Solid One-piece Frame Construction comprised of 2x3" and 2x2" tubing Variable Resistance Cam