High Quality MaterialThe impact wrench socket set is made of high quality chrome vanadium steel, which has very high hardness and good abrasion resistance. With the corrosion-resistant polished sandblasting finish to make it more durable. Easy to UseThe nut wrench bit set is easy to install and disassemble, not easy to fall off when using. The socket wrench set is very occlusive, firm and flexible. Each socket has an obvious size mark, you can quickly find the socket you need. 1 or 4" Hex ShankThis hex shank socket is suitable for installing in this hex tool, such as air screwdriver, electric screwdriver, air drill, electric drill, gun drill, hand screwdriver and more. , 9 or 32", 5 or 16", 11 or 32", 3 or 8", 7 or 16", 7 x Power Nut Screwdriver Bits (Metric): 5mm, 5.5mm, 6mm 7mm, 8mm, 10mm, 12mm Different sizes of hex drill bit sets are enough to meet your daily needs. VersatileUniversal hex bits with 1 or 4 hex shank thumb quick fit and clamp standard drill chucks, suitable for all drills, screwdrivers and screwdrivers. Widely used in home DIY, auto parts, carpentry, professional machine repair and more.