PowerSmith MLSD12C Mag lithium 12-Volt Lithium Ion Compact Pistol Screwdriver with LED Light and 21 Bit Assortment 23 Position Torque/Clutch Settings 1/4-Inch Hex Locking Tool-Less Collet Built-in LED Working Light Magnesium Gear Housing, 0-550 RPM Includes 21-Piece Driver Set