Ryobi 18-Volt ONE+ Cordless 3/8 in. 3-Speed Impact Wrench (Tool Only) P263. Square anvil with hog ring to change sockets easily. Impact mechanism produces 150 ft. Of torque and up to 3,400 impacts per minute (IPM) for a variety of heavy-duty applications. 3-Speed Selector Switch offers greater control over a wide range of fastening applications. RYOBI introduces the 18-Volt ONE+ Cordless 3/8 in. Impact Wrench is compact and powerful. It produces 150 ft. Of torque and up to 3,400 impacts per minute allowing you to use this tool for a variety of applications. This tool features a 3-speed selector switch and tri-beam LED lights for work space visibility. Size is common and works with most sockets. This 18-Volt ONE+ 3/8 in.