[Upgraded version] High-quality non-slip aluminum alloy handle with steel bottom cover, the drive head is precision-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 model Best choice for friends [Clear design] Each handle is marked with a clear size for easy identification and use [Widely applicable] Hexagonal screwdriver tool kit, hexagonal screws, used for disassembling DJI Elf 3/4 general model, 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 hexagon screwdrivers of different sizes, made of high-quality titanium and steel materials, high strength, anti-stripping and anti-rust, durable. The wrench size is engraved on each handle for easy identification. Simple and practical design, comfortable grip and easy to use, is an excellent hexagonal screwdriver kit to choose from. Specification: Product name: Hexagon 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 hexagon key 1 x 2.0mm hexagon key 1 x 2.5 mm hex key 1 x 3.0mm hexagon wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.