1/2" ChuckHeavy Duty Reversible Air Drill by Ingersoll Rand.Free speed: 400 rpm, average air consumption:4 cfm, air inlet thread: 1/4" NPTF, min hose size: 3/8", sound dBA: 92.9/105.9, length: 8.7", and weight: 3.3. Features: quick reverse lever, variable speed throttle, ball and needle bearing and planetary gear reduction.UPS Ground for U.S. shipping and USPS Priority for International shipping. We also ship APO, FPO and do combine shipping. As always we appreciate your business.Check out my other items! Sign up for my email newsletters by adding my eCRATER Store to your Favorites. Froo www.froo.com | Froo Cross Sell, Free Cross Sell, Cross promote, eCRATER Marketing, eCRATER listing Apps, eCRATER Apps, eCRATER Application