Rockwell RK2510K2.1 12-Volt Lithium Cordless Drill/Driver Puck and 2 Batteries, 16-Piece 15+1 torque settings including drill mode 2-speed gear control with variable speed, reverse and brake Auto spindle lock 3/8-Inch keless chuck features soft grip for easy one-handed operation Includes 16-Piece driver bit set in a compact puck