The RYOBI 3/8 in. Variable Speed Drill features a 5.5-Amp motor that delivers up to 1600 RPM for powerful drilling in a variety of materials. The variable-speed trigger helps you match the speed to the application, while the lock-on feature enables continuous drilling and helps to reduce operator fatigue during long drilling times. Designed for ergonomic use, the handle features the GripZone overmold for comfort on any job.