Erie Tools Rotary Machine Bead Roller Sheet Metal Forming & Steel Bender HVAC Fabrication with 22 Gauge Capacity Performs burring, edging, elbowing, flanging, flattening and turning Fine adjustment knobs for precision rolling ncludes 6 sets of rolls/dies (Turning rolls, Wiring rolls, Crimping rolls, Burring rolls, Single bea Maximum Thickness: 22 Gauge (.030") mild steel Heavy duty cast iron and machined steel construction