The SportsArt Performance Strength Series combines quality and value in an elegant circuit of 14 stations designed to fit any budget. Our seated leg curl focuses your workout on the hamstrings. Adjustable seat back cushion keeps posture correct; Adjustable thigh cushion provides optimal comfort for various leg lengths; Multiple starting positions for full range of motion; Deep-groove, 5-inch (12.7 cm) shrouded pulleys provide faultless cable tracking; Cold rolled steel weight stacks with noise dampening; Stainless steel guide rods resist rust and stay smooth; Internally lubricated 1500 lb (680 kg) steel aircraft cables provide quiet, smooth operation.