[Upgraded version] High-quality non-slip aluminum alloy handle with steel bottom cover, head is -machined from high-speed steel and titanium, hardness exceeds 60 degrees, anti-stripping and cracking, rustproof and durable, hexagonal screwdriver tool kit is an advanced rc Best choice for [Clear design] Each handle is marked with a clear size for easy identification and [Widely applicable] Hexagonal screwdriver tool kit, hexagonal screws, used for disassembling Elf 3/4 general , rc helicopter, rc quadcopter, rc car, rc boat, multi-axis FPV racing drone, robot, etc. This product is a set of 4 simple and practical screwdrivers of different sizes, made of high-quality titanium and steel materials, high strength, anti-stripping and anti-rust, durable. The wrench size is on each handle for easy identification. Simple and practical design, comfortable grip and easy to , is an hexagonal screwdriver kit to from. Specification: Product name: screwdriver Specifications: 1.5mm / 2.0mm / 2.5mm / 3.0mm Overall length: 170 mm / 6.8 inches Drive head length: 85MM / 3.3inch Handle length: 90mm / 3.5inch Handle diameter: 18 mm / 0.7 inch Colour: black Material: titanium + steel Package Contents: 1 x 1.5mm key 1 x 2.0mm key 1 x 2.5 mm hex key 1 x 3.0mm wrench Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.