Features and Benefits: * Extra heavy duty drill for extra heavy duty work with side handle * One hand reverse lever for reversible action with positive action trigger for speed control * Variable speed throttle for ease of starting drill hole * Built-in muffler reduces noise level * Planetary gear system for long life Specifications: * 1/4" capacity Jacobs chuck * Free speed; 500 RPM * Overall length: 9-1/4" * Net weight: 4-1/3 lbs. * Motor size: 1/2 HP * Air inlet thread size: 1/4" NPT * Air hose I.D. size: 3/8" * Avg. air consumption: 7 cfm * Noise level: 88.3 dBA @ 90 PSI