Features: _x000D_ Made of high-strength S2 alloy steel, these screwdriver bits are very durable. _x000D_ Screwdriver bits has strong magnetism and would attract screws and hold screws firmly._x000D_ _x000D_ These screwdriver bits have a collar that acts as a stop, preventing the bit from following the screw head into the drywall--once the collar contacts the drywall skin, the bit cannot proceed any further. _x000D_ With 1/4inch hex shank, they are widely used on many power drills or cordless drills. _x000D_ Using these screwdriver bits, drywall screw head will stretch and dimple the drywall skin, but not ruptured it. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Color: Red, Mixed Colors, Yellow, Green, Blue, Purple (Optional)_x000D_ _x000D_ Material: S2 steel _x000D_ Type: PH2(Cross) _x000D_ Magnetism: Yes_x000D_ _x000D_ Length: 65mm(2.56")_x000D_ _x000D_ Hex Shank: 6.35mm(1/4")_x000D_ Quantity: 5pcs _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 5 x Screwdriver Bits