Check the listing for details. 5pcs 5mm (H5) Hex Head Wrench Drill Bit 4" Long Magnetic Screwdriver Bits. Color: Silver, Condition: New. Listed at 13.81 USD. 1. The magnetic tips screwdriver drill bit is made of heat-treated S2 steel with a hardness of up to HRC58-60, excellent corrosion resistance and rust resistance, better than ordinary sandblasting products, anti-bending, anti-fracture, not easy to deform, and durable.2. The hex head screwdriver bit adopts a strong magnetism design and can absorb screws vertically or tilted. The head is a hexagonal flat head shape, which can make close contact with the screw, making disassembly and installation more stable and less likely to slip.3. The surface is finely polished, glossy, and smooth, reducing friction resistance, enhancing hardness and wear resistance, and having better scratch resistance. Each tamper-proof screwdriver head is clearly engraved with the model number for easy identification.4.