High-quality material: The impact wrench bit holder is made of high-quality chrome vanadium steel with particularly high hardness and good abrasion resistance. With polished corrosion resistant finish to make it more durable. Heat treated from chrome vanadium steel, rustproof, non-slip, soft. Rustproof, non-slip, flexible. Mounted on a black clip, easy to use and store.
Easy to use：The socket wrench set is easy to assemble and disassemble and is not easy to fall off when using. The Nut Pilot socket set is very occlusive, firm and flexible. Each socket has an obvious size marking so you can quickly find the socket you need.
1/4" Hex Shank: This hexagon socket nut is suitable for installation in hex tools such as air screwdrivers, electric screwdrivers, air drills, electric drills, pistol drills, hand screwdrivers and much more. 7 pieces.
Socket adapter (inch): 3/16", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16"; 7 drive nuts (metric): 5 mm , 5.5mm, 6mm, 7mm, 8mm, 10mm, 12mm The different sizes of hex drill bits are enough to meet your daily needs
Versatile: Universal 1/4" hex bits adapt to quick changes and fit securely into standard drill chucks suitable for all drills, screwdrivers and screw guns. Widely used in household goods, auto parts, carpentry, professional machine repair and much more.
Size specification: 3/16-1/4-9/32-5/16-11/32-3/8inch, 5-5.5-6-7-8-10-12mm Shank type: 6.35mm (1/4 inch ) Hex Shank This is widely used in household DIY, auto parts, woodworking, professional machine repairs

14PCS Hex Socket Wrench Adapter 5mm-12mm for Nuts and Screws