Check the listing for details. 4pcs Torx Screwdriver Bits 1/4" Hex Shank T10 Security Steel Screwdriver Bit. Condition: New. Listed at 12.32 USD. Features:Shank Size: 1/4inch;Total Length: 25mm / 0.98inch;Bit Type: T40;Finish: Electroplate;Material: S2Package Content: 4 x Security Torx Screwdriver Bit Description:These Screwdriver Bits are with magnetic design.Easy to install on the screwdriver handle of the bit shank.Great replacement for missing, bent or broken security torx screwdriver bits.Superior Quality: Those Screwdriver Bits are made of S2 alloy steel, which is a commonly used material in hardware with high hardness. Magnetic Screwdriver - Those bits fit for electric screwdrivers, hand screwdrivers, electric drills, air drills and so forthSuitable for charging electric drill, air batches and 1/4 (6.35mm) screwdriver sets.Surface bright chrome treatment, strong rust resistance, S2 alloy steel manufacturing.