Klein Tools 66001 2-in-1 Impact Socket, Socket Wrench Sizes 3/4-Inch and 9/16-Inch Hex, 12-Point Deep Socket with 1/2-Inch Drive

Single-ended impact socket with hands-free adjustment between socket sizes, Two coaxial spring-loaded 3/4-Inch and 9/16-Inch hex socket sizes in one tool, Deep socket with a 1/2-Inch drive works great for pole hardware installation and removal, High-torque, 12-point design is easier to position and works with square fasteners, Cross hole design to prevent unintentional separation of adapter and socket, Engineered for use with impact drivers including Klein's 1/2-Inch Compact Impact Wrench (Cat Nos. BAT20-CW, BAT20-CW1)