14 Pieces Hex Socket Nut Wrench Adapter, Screwdriver Insert, Bit Socket Set, Hex Socket Nuts for Hex Screwdriver Bits

High-quality material: the impact screwdriver bit holder is made of high-quality chrome-vanadium steel with particularly high hardness and good abrasion resistance. Polished sandblasted finish and corrosion resistant to make it more durable.【Easy to Use】The socket set is easy to install and disassemble and is not easy to fall off during use. The nut socket set is very occlusive, firm and flexible. Each socket has obvious size marking, you can quickly find the socket you need.1/4" Hex Shank: This hexagon socket is suitable for installation in hexagonal tools such as air screwdriver, electric screwdriver, air drill, electric drill, gun drill, manual screwdriver and much more.【Size Range】7pcs.Power socket wrench adapter (inch): 3/16", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16"; 7 drive nuts (metric): 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm, 12mm. The different sizes of hex drill bits are enough to meet your daily needs.【Multi-use】Universal 1/4" hex shanks accommodate quick changes and are securely fixed in standard chucks that fit all drills, screwdrivers and screw guns. Widely used in household items, auto parts, carpentry, professional machine repairs and much more.