Bosch 17618-01 18-Volt 1/2-Inch Brute Tough Litheon Hammer Drill/Driver with 2 Fat Batteries,Bosch,17618-01" /> Features 0-475/0-2,050 RPM and 30,750 BPM; 650 inch-pounds of torque Features Bosch durasheild housing and uni-body power train to withstand real world conditions State-of-art lithium-ion battery technology coupled with Bosch's proprietary ECP (Electronic Cell Protection) system guarantees optimal performance 1/2-inch metal chuck for increased durability LED light is great for dark or enclosed areas