Designs to improve work efficiency, which can accomplish tasks quickly and precisely, thus saving time and energy With a unique designs to improve grip and control while working, easy to use The adsorption function can better hold the screws and nut, avoiding from loosening and getting lost during disassembly and assembly These screwdriver bits is make of Alloy steel with excellent ruggedness and durability, which can easily bear high pressure impacts There are 6 sizes of screwdriver heads to choose from, which can meet different work requirements, Manufacturer: Msioytog