Try swinging down the length of the bars, reaching and grasping, overhand, one bar after the other. Stronger and/or lighter individuals will be able to use more of a bent arm. You can also simply use the equipment for chinups, using a variety of grips. Also, try lifting the knees and legs while hanging, helping to build abdominal strength. Dimensions: 3000*1100*2400mm.Material: Pre Galvanized Mild Steel.Material Thickness: 3 mm. Main Tube 114mm & 3mm.Paint: All Weather Double Layer Powder Coated Paint.