Powerbuilt 1/2in 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", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1"