Milwaukee 2401-20 M12 12-Volt Lithium-Ion Cordless 1/4 in. Hex Screwdriver (Tool-Only) Price For: Each Voltage: 12.0 Handle Type: Pistol Grip Speed (RPM): 500 Torque (In/Lb): 150.00 Bit Holder Size (Inch): 1/4 Number of Batteries Included: 0 Battery Included: No Battery Chemistry: Lithium-Ion