A light-weight and user-friendly core drill. With its "Smart Electronic" motor protection from Cardi means no overheating of electrical parts. The powerful 15 amp motor drives core bits up to 4" with ease. The Norton Clipper HHDET1800 has a single speed gear box and mechanical safety clutch. Packaged in a rugged carrying case to protect the drill during transport. 1 Gears, Electric Motor Type, 115 volts Voltage, 60Hz/AC/1 Phase, 15 Amps Amperage, 940 RPM (No Load), 18 lbs Weight Crated, 12 lbs Weight Uncrated, 2" to 4" Low.