- Self-adjusts to fit grasp the hex, nut, eye, hook etc. makes your work easier.
- Comes with a 3/8" power drill adapter, turn your drill to socket driver.
- Fits standard metric 3/8Dr. 7-19mm(1/4 to 3/4-inch) and metric 1/2Dr. 11-32mm ( 7/16- 1-1/4 inch) nuts and bolt heads.
- Chrome vanadium steel construction, Internally by 54 high-carbon steel hardness pole constituted.