Body Solid SLE200G3 ProClub Leg Extension Machine with Steel Mainframe and Tear-Resistant DuraFirm Padding 310-Pound Double powder-coat finish protects against scratching, chipping and peeling Fiberglass reinforced nylon pulleys with v-grooved channels Extra-tough, tear-resistant padding with double-stitched upholstery Super-smooth operation Highly-polished, chrome plated solid steel guide rods and selector rods for smooth movement