Ryobi 3/8 in. 12-Volt Cordless Drill/Driver Kit 12v ONE+ System works with Lithium-Ion and NiCd Batteries 3/8 in. keyless chuck for strong bit retention and durability 0 - 600 RPM variable speed helps you match the tool to the application Cordless design is ideal for drilling and driving around the house or wherever you go Onboard magnetic storage offers quick access to bits and accessories