Various Sizes:The screwdriver bit is solid, there are 8 different sizes, 1.5mm / 2mm / 2.5mm / 3mm / 4mm / 5mm / 6mm / 8mm, the length is 5cm, the top has a 1/4" diameter tip, more A variety of sizes can meet your various needs. (The specifications are printed on the surface, so it is easy to find the kind you need.) Durable & High-Hardness Material:The screwdriver bit is made of high-quality S2 steel, which is tough and impact-resistant, and has a long service life. The sturdy design and the steel-colored surface are the same from the inside to the outside, suitable for electric screwdrivers, manual screwdrivers, electric drills, pneumatic drills, etc. Strong Tip Magnetization:Due to the magnetization, the screw is stuck to the end and can be easily taken out. Even in the deepest hole, there is no need to return or shake the object from the place where it needs to be taken out. It can effectively improve our work efficiency. Bring more convenience to our work. More Labor-Saving Unscrew Screws Easily :These magnetic drill bits can be firmly fixed on the screwdriver, and each edge can be carefully locked with a screw without damaging the screw or screwdriver bit. Assemble/repair furniture in a simple way. The screws can be tightened or loosened easily. Utility Tool Accessories:a variety of sizes, 1/4 inch hexagon handle, can be used with electric screwdrivers, manual screwdrivers, electric drills, general tools, etc. Very suitable for working on vehicles, bicycles and furniture. This convenient Torx screwdriver is placed in the narrowest space and is a practical auxiliary tool in many cases. 8 Pieces S2 Steel Screwdriver Allen Bits Magnetic Screwdriver Bits Hex Bits (1.5 / 2 / 2.5 / 3 // 4/5/6/8, 5CM) 1.High strength S2 alloy steel, durable and long lasting use, high hardness and long service life. 2.Strong magnetic, can suck screws easily when used.It can effectively improve work efficiency. 3.Suitable for electric screwdrivers, manual screwdrivers, electric drills, air drills and so on. 4.Exquisite workmanship, each edge can be carefully locked with screws, no damage to the screw and screwdriver head. 5.There are 8 different sizes of screwdriver heads, 1.5 / 2 / 2.5 / 3/4/5/6 / 8mm, which can meet your various needs. 6.Shank type: 6.35mm / 1/4 inch; Total length: 50 mm. Specifications: Product Name: Screwdriver Bits Material: S2 steel Color: silver Size of these magnetic tips: 1.5 / 2 / 2.5 / 3 // 4/5/6 / 8mm Length: 5 cm Weight: 80 g Package includes: 8 * Screwdriver Bits