The Ryobi 1/2 in. 18-Volt Cordless Drill Kit includes a 1/2 in. single-sleeve keyless chuck with spindle lock for easy bit changing and 2-speed transmission and 24-position clutch for high-torque applications. The kit also includes two 18-volt Ni-Cad ONE+ batteries and a 1-hour diagnostic charger and bag. The drill features a 1,600 RPM speed with variable speed settings to accommodate each job you tackle.