This most versatile leg machine performs the two most important leg exercises from one comfortable position. The fully adjustable 7 gauge steel cam maximizes range of motion capabilities with a biomechanically-correct seat angle for proper isolation of muscle groups. Strengthen your quadricep muscles with the leg extension exercise by positioning your legs behind the oversized rollers, firmly grip the handles and lift (leg hold down in storage mount). To work your glutes and hamstring muscles, pull the oversized pop pin and insert the thigh restraint to a comfortable position, sit down and wrap your legs over the 8” foam rollers, then press down to perform seated leg curl exercises. Tech specs: Durafirm pads and oversized rollers; 7 position adjustments on back pad and leg hold down; easy pull pin design adjusts positioning from leg extension to leg curl; rotary range of motion adjustment; ideal for home and commercial usage; storage for leg hold down piece; distance from top of seat pad to bottom of foam roller (leg extension) 16”; Biomechanically correct seat angle; Options: 310 lb weight stack (15 lb increments).