Description:* Magnetic,can suck the screws easily when used it.* Exquisite workmanship, each edge can be accurately locked screws, no damage to the screw, and the screwdriver head.* Great replacement for missing, bent or broken torx head screwdriver bits.* The hole in the center in each bit causes it to be tamper resistance, designed to prevent Cam-Out the hex bits clicks onto most standard sockets, screwdrivers, drill/driver kits & Power tools attachments.* Made of S2 alloy steel, which is a commonly used material in hardware with high hardness.* Those bits fit for electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth.Specifications:Shank Size: (Hex) 1/4-inchBit Type: T45Total Length: 50mm / 2-inchSurface Treatment: SandblastingMaterial: S2Package Content:2 Pcs x Torx Screwdriver Bits.