kwb 2-in-1 Quick Change Bit Holder with E 6.3 1/4 Inch Hex Shank for Bits and Sockets, 74 mm Length, for Cordless Screwdriver Drills, Made of Chrome Vanadium Steel and Aluminium

2 sockets in one: practical 2-in-1 bit holder with 1/4 inch hexagon socket and a 1/4 inch external square socket for use in all cordless screwdrivers and drills with drill chuck or bit sleeve. Easy to use: convenient quick-change mechanism for easy one-handed change of bits and sockets: simply pull the sleeve back and expose the socket holder or press the sleeve forward and the bit holder is ready to hold bits. Stable chrome vanadium: high-quality bit extension with a shaft made of robust chrome vanadium steel for strong protection against corrosion and a flexible bit holder sleeve made of aluminium. High-quality bit attachment: professional bit shank with a length of 74 mm for common and demanding screwing work in home work and crafts.