Malco MRER Metal Roofing Edge Roller Easy to adjust thumb screws quickly lock in the stop gauges without the use of tools Edge Roller features an English/metric depth scale and is adjustable for 5/8-Inch thru 4-Inch (15.88mm - 101.60mm) bending depths. Roller at the ends of stops and a plastic pad at base of tool assure smooth non-marring operation a s the tool glides along the length of a panel and gently bends the edge wupward with repetitive motions. Long life roller bearings and a stainless steel body offer long, dependable tool life. Replacement Pads available