Features and Benefits: * 400 (rpm) Free Speed * OSHA approved Quiet Technology 85 dBa * Lightweight at only 3.0 lbs. * Ergonomic handle design to relieve stress and fatigue on the operator’s hands * Composite red housing AIRCAT® offers another "Silent Power" product for the shop or home. The AIRCAT® 4450 1/2" Reversible Red Composite Drill, gives the user 400 (rpm) Free Speed while only producing 85 dBa. So you can work without the noise.