20 Gauge (Mild Steel) Brand New RAMS Hand Flanger , Mdl. RAMS - 2002, Designed for Forming a 7/32" Right Angle Flange, for both Inside & Outside Radiuses, Can Be Used on Duct Elbows As Well, Features Torrington Needle Bearings and Hardened Rollers, Can Be Mounted with EZ Edge Finder, Head Rotates 360 Degrees, #SMRAMS2002