3/8-inch single-sleeve ratcheting chuck for maximum versatility and grip; 3-3/4-inch head length great for working in tight spacesExtended paddle switch allows for controlled use In multiple positions11 settings plus drill mode for complete control, built-In LED lights illuminate work surface and indicate clutch outOn-board fuel gauge displays remaining run-time on the M12 lithium-ion battery pack2415-20 right-angle drill/driver, M12 lithium-ion battery pack, 30-minute charger, carrying case