The 18-Volt ONE+ Impact Driver features 3-Speed settings to customize the torque settings to fit your various fastening needs. On high speed this impact drive produces 1,800 in. lbs. of torque. The unique impact mechanism to drive the longest deck screws or largest lag screws with ease. You'll be able to get through all your projects in no time. The RYOBI 18V ONE+™ 3-Speed ¼ in. Impact Driver works with any 18V ONE+ battery (sold separately) and is a part of the ONE+™ System of over 50 great tools that all work with the same 18V battery platform.