Air Drill, Manufacturer suggested retail price. $311.85 Features and Benefits: Here's the economical choice for power, a high quality air drill designed for drilling, hole sawing, cylinder honing, and any other job that calls for a 1/2" size. It's quality features for long life, include the industrial grade 1/2" chuck, ball and needle bearing construction, and double reduction planetary gearing. No-load speed of 500 RPM Auxiliary side handle Free speed: 500 Chuck size: 1/2"/13 mm Rated power: .5 hp/.38 kW Weight: 3.2 lb./1.45 Manufacturer: Ingersoll Rand 1 yr warranty on material and workmanship