Features:* The accuracy and durability of this screwdriver meets higher standards. Use them for DIY home projects or workplaces.* With magnetic, the parts adopt a strong permanent magnet that can fix the screws firmly. Perfect spot every time.* Standard shank diameter, 6.35mm opposite side hex chuck, 1/4 standard shank diameter, suitable for all kinds of pneumatic screwdrivers, electric screwdrivers and cordless screwdrivers.* Straight and concentric angles can effectively reduce the phenomenon of bit swaying.* Made of high-strength S2 alloy steel, with high hardness, strong twisting, long-term use.* Improved anti-corrosion and better storage, The surface adopts special anti-corrosion surface treatment. Specifications:Product Name: ScrewdriversMaterial: S2 Stainless SteelColor: GrayLength: 200mm/7.78 InchHeads: TorxShank: 1/4 Inch Hex HeadMagnetic: YesWith Hole: YesOptional Size: T8, T10, T15, T20, T25, T27, T30, T40Suitable for: Electric Drills with Adjustable Device Speed, Electric Screwdrivers, Hand-Held ScrewdriversQuantity: 1PcPackage Included:1 × Torx Screwdriver BitsNotes:1. Transition: 1cm=10mm=0.39 inch.2. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual measurement deviation for the data.