Material chrome vanadium steel with magnetic, easy handling, the course is not easy to fall off Hex Socket Magnetic Nut Driver Set Socket Adapter Used in pneumatic screwdrivers, electric screwdrivers, pneumatic drill, drill, pistol drills, screwdrivers and other hand on the installation of the hexagon tools for supporting Widely used in home DIY, carpentry, auto parts, specializing in machine repair and so on Color: silver gray Lengh: 65mm Material: chrome vanadium steel MagneticConnector Nut Drivers Bits Size: 6mm / 7mm / 8mm / 9mm / 10mm / 11mm / 12mm / 13mm Package Content: 8 Pieces Hex Magnetic Drill Bits Nut Driver Set Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.