【Material】The Hex Bit Socket Set are made of S2 alloy Steel and chrome vanadium steel(CR-V) ,The heat treated CR-V steel has better toughness.
【Surface】The surface of drive bit socket set is coated with premium black powder coating of rust prevention and corrosion prevention, with strong corrosion resistance.
【Design】Each hex bit socket set use chamfering design with chamfered, bevelled ends that allow for easy, smooth, and accurate insertion that protects the bits and fasteners from damaged edges and stripping.
【Easy to Install】The bit sockets come with a sturdy and convenient storage box for easy transport, safe storage and quick organisation.