Powerbuilt 1/2 inch Dr 10Pc Imperial Impact Socket Set

Made to ANSI specifications
Chrome molybdenum steel, black oxide finish
Z-Drive sockets grip and turn flat surfaces of fasteners for reduced rounding
Socket center holes are punched through to add a bit more clearance for taller nuts and bolts.
Packaged in a blow molded storage case
Imperial Standard Includes 7/16 inch, 1/2 inch, 9/16 inch, 5/8 inch, 11/16 inch, 3/4 inch, 13/16 inch, 7/8 inch, 15/16 inch, 1 inch