The Mayhew Tools 26-pc Metric Hex Master Socket Bit Set, No. 16065F, consists of 13 short-length hex sockets, seven extended-length hex sockets, and six extended-length ball hex sockets, all of which are packaged in a custom-cut foam tray for secure and distinct organization. The sockets are chrome plated and fully polished, while the bits are made from S2 tool steel and precision CNC-machined in the United States.