2-in-1 Impact Socket 1/2 x 3/8-Inch (30750YV)
by Klein Tools 66011
Single-ended impact socket with hands-free adjustment between 1/2-Inch and 3/8-Inch hex sizes. Deep socket with a 1/2-Inch drive is great for use in electrical and construction work. The high-torque, 12-Point design is easier to position and works with square fasteners.