The sissy squat machine and exercise are ideal for building quads, working on your hip flexors while strengthening your core at the same time. It involves locking your feet in a fixed position and then leaning right back, with the tension on your thighs and pressure on your calves, before bringing yourself up again. At first, the sissy squat machine may not appear to do much or be worth buying, however, you can build a good amount of strength in both your upper and lower body using this one simple device. By letting it help you strengthen your quads, hamstrings AND glutes by doing deep sissy squats. Main tube size: 50 mm x 70 mm x 2 mm Black powder coating Net weight: 22.5 kg Overall Dimension: 1216 mm x 500 mm x 555 mm Matt Black * Accessories/Benches/Dumbbells/Racks/Weight Plates/Barbells and other Machines are not included and are available/sold separately* Product images are for illustrative purposes only