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
Metric Standard Includes 10mm, 11mm, 12mm, 13mm, 14mm, 17mm, 19mm, 21mm, 22mm, 24mm
