Features:OOTDTY4 pcs. With Magnetic Head Hex Torx 100mm ScrewdriversThis head batch using S2 high-quality steelExquisite workmanship, each edge can be accurately locked screws, no damage to screws and bits for screwdriver. Strong magnetic, it can easily suck screws when you use it. It can be used for handheld electric screwdriver, screwdriver, drill, air and other tools. Professional multi-size package, 6.35mm hexagonal edge handle. Use different sizes to screw in, it will damage the screwdriver and screw! With the right screwdriver, pay less effort, and you can easily loosen the screws! Specifications:Materials: S2 alloy steelHead type: slottedOverall length. : 100mm Shank Type: 6.25mm/1/4 inch Hex Head Diameter Size: Phi; 3/Phi; 4 /phi; 5/Phi; 6Quantity: 1set/4pcsNote: This is manual measurement, there may be 1-2mm error, please understand. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included: 4 x Flat Screwdriver (4 Sizes)