Chicago Pneumatic CP1117P60 Drill Keyless Chuck 6151580100. Improve your productivity with high power & speed. Increased operator comfort thanks to exclusive ergonomic features. Drills for Industrial Production designed for intensive duty and high durability. 3/8" (10 mm) industrial pistol drill with Jacobs keyless chuck. The best power to weight ratio with 1 hp (750 W) motor. Durable gearbox reduce maintenance cost and downtime.