Durability: Made from Hardened treated Chrome Vanadium steel alloy (Cr-V) Corrosion-Resistant: Chrome Plated & Mirror Polished Easy Storage: A sturdy plastic storage case is included. Include: Ratchet Drive, Open Wrench, Drive Bit Holder, Spinner Handler, Sockets, Screw Bits, Extension Bar and Adaptor Both Metric and English sizes are included, Made in Taiwan