Ranger Small Material Bender RB-1STThe RB 1ST Bench Top Mini Bender is handy for a variety of tasks, including creating hangers or brakets for exhaust system tubing, small and large diameter tube bending, and bending all kinds of flat and round metal materials. muffler shops would benefit most from this piece of equipment, but it would also come in handy in many other garages as well. Virtually any shop that needs to fabricate metal material would benefit from this tool.