Air-powered drill suitable 3/8" chuck and reverse switch, Constructed with a heavy-duty steel body. The chuck holds 1-10mm drill bits and is simply unscrews to place the bit in the tip, then tightens up without the use of a key to secure the bit in place. Specifications Chuck holds 1-10mm Free speed: 1800Rpm Average air consumption: 4CFM Air pressure: 90PSI Reversible lever on handle 1/4" NBT air inlet Angle: 90deg Heavy-duty steel body Length (chuck to back of body): 170mm (6 3/4").