1/4 in. Air Angle Die Grinder Kit Long-lasting, economical, and ideal for general-purpose grinding, the 301B delivers a number of beneficial features in one compact package. Right-angle configuration provides easy access to tight spots, so you can grind, break sharp edges, de-burr, port, and polish virtually anywhere. . Powerful motor delivers 0.25 HP at 21,000 RPM free speed Durable ball-bearing construction improves balance, reduces vibration, and ensures a longer life Strong aluminum housing withstands tough operating conditions Small and lightweight design provides easy operation greater access to tight spots Easy-to-use, integral safety-lock throttle lever prevents accidental start up Front exhaust helps keep work surface clean Kit includes everything needed to get started. . 1/4 in. Air Angle Die Grinder Kit - 301B32MK (2) 3 in. Coarse Medium Grit 3M Roloc?Surface Conditioning Pads (2) 3 in. Medium Grit 3M Roloc Surface Conditioning Pads (2) 3 in. Coarse Medium Grit 3M Roloc Surface Conditioning Pads (2) 3 in. Medium Grit 3M Roloc Surface Conditioning Pads Disc Holder Blow Molded Case 301B32MK