Features: Premium remote control model repair tools crafted from high strength metal ensures durability for intensive drones maintenance, solving plastic tool fragility issues through robust construction. The versatile set includes 4 hexagonal screwdriver bits suitable for most models, and most drones/helis, offering multi vehicle adaptability. Ideal for professional remote control enthusiasts and multi drones owners requiring frequent precisions adjustments across racing buggies, truggy trucks, and quadcopter fleets. Streamlines maintenance workflows for racing drones, trucks, and robotic prototypes from field repairs toy workshop overhauls with universally fit components. Organized in a portable case with magnetized bit holders, this drones maintenance set reduces tool switching frequency while handling 1.5mm 4mm screws across marine/terrestrial remote control. Specifications: Component Metal Color:Black Gold 4 in 1,Black Silver 4 in 1,Black Silver 6 in 1 Length:Approx.105mm/4.13'' Package Includes: 1Set Hexagonal Screwdriver note: Please allow 1mm errors due toy manual measurement. Due toy the differences between different monitors, the picture may not reflect the actual color of the item.