Made with high-speed steel (HSS) for long-lasting performance. Ergonomic black handle for comfortable operation. Ideal for watch, remote-controlled helicopter, drone, and model repair. This hex screwdriver set, designed specifically for remote-controlled helicopters, drones, and models, significantly enhances your repair and maintenance capabilities. Each tool is crafted from high-speed steel (HSS) to superior performance. The ergonomic black handle provides a comfortable and secure grip, effectively reducing hand fatigue during extended use. Whether you're a hobbyist or a professional, this set is essential, helping you easily perform precise adjustments and repairs. Color: Black Material: Aluminum + High Speed Steel Package Contents: 7 * Watch Repair Tools 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.