Steelmax D1-AIR Features ◦Portable Right Angle Pneumatic Mag Drill cuts holes up to 1 3/8" (35mm) diameter in 1ö (25.4mm) thick material. ◦Low Profile of 7-1/16ö (180mm) for use in restricted space. ◦Pneumatic drive and permanent magnetic base eliminate the need of an electric power supply. ◦Ideal solution for hazardous environments such as oil drilling platforms, mining industry, shipbuilding and petrochemical industry.