Klein Tools 65129 2-in-1 Nut Driver, Hex Head Slide Drive, 6-Inch
Brand: Klein Tools
Unique, patented tip switches from 1/4-Inch size to 5/16-Inch size
Magnetic regardless of which driver is selected
Twist the thumb nut to lock tip setting
Cushion-Grip handle for added torque and comfort
U.S. Patent 7,654,175 B2