Pneumatic Spot Weld Drill Kit - This air powered spot weld drill features an adjustable depth stop so you can drill out just the spot weld without damaging the panel beneath. Drills out the entire spot weld, eliminating the need for grinding and chiseling. Includes 2000-rpm air powered spot weld drill (requires 4 cfm at 90-120 p.s.i.), 4 drill bits (two 5/16in. and two 1/4in.), end air line oiler and 3-way swivel in a durable plastic blow molded case. Imported. 1-year manufacturer's warranty.