3/8" Keyed Air Spot Weld Drill by Blair Equipment®. Removes spotwelds on all types of materials especially Boron and UHSS. It features a lower cutter RPM and a manual feed leverage handle which increases performance. Air power is not consumed to advance the cutter which dramatically reduces the time required to remove a spotweld. Adjustable Cutting Depth. Two 360° Swivel Frame Clamps (2-5/16" & 5-5/8"). Low noise, Built in Comfort Grip. Includes (1) 8mm Triple-Fluted Solid Carbide Drill Bit. Carrying Case.