Pneumatic 1/4 In. Professional Die Grinder with 4 In. ExtensionThe Chief Professional Air Extended Die Grinder has a paddle trigger for superior control and a 4 in. extended shaft to reach obstructed areas. The ergonomic grip reduces vibration while the compact design provides excellent maneuverability. 4 in. extension for applications with limited space Paddle trigger with safety provides smooth operation and control Ergonomic grip delivers comfort, reduced vibration and less fatigue Adjustable speed control