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 drill features a 1,600 RPM speed with variable speed settings to accommodate each job you tackle. The kit includes the smartest charger on the market with patented IntelliPort™ Technology, which allows safe storage of batteries without damage from overcharging. The IntelliPort™ Technology protects battery cells, maximizes battery life and conserves energy so well it earned an ENERGY STAR® logo.