Description The item is a set of 4pcs hex screw driver tools in different sizes, which are mainly made of durable steel and aluminum alloy material, and can be used to disassemble hex screw in RC helicopter, car, plane and other place. Features - Handle color: black.- Material: durable steel and aluminum alloy.- Total length: 170mm; Handle length: about 90mm; Handle diameter: about 18mm.- and 4-in-1 Hex Screw Driver Screwdriver Tools Kit- Includes one 1.5mm hex key, 2.0mm hex key, 2.5mm hex key, and 3.0mm hex key.- Used for disassembling hex screw in RC helicoptor, car, plane and other place.- Simple and practical design, and easy to use.Packing list: 1 * 1.5mm Hex Key 1 * 2.0mm Hex Key 1 * 2.5mm Hex Key 1 * 3.0mm Hex Key