4pcs Hex Socket Nut Driver Set 4.0MM, 5.5MM, 7.0MM, 8.0MM for RC Cars Model Airplanes Description:As a model enthusiast, you may need to take apart or put together your model sometimes, then this set of socket nut driver will come in handy. 4 different size of hex socket nut drivers in this set will meet your basic need and help you a lot during model repairing. Wait no more and get them now. Features:These socket nut driver handles are made made of premium aluminum alloy, well processed by precision CNC.High speed steel nut driver sockets have brushed finishing surface and are more sturdy than common bits.This set contains total 4 socket nut drivers in different sizes of 4.0, 5.5, 7.0, 8.0MM that meet your need.Beautiful designed handle is light weight and ensures a comfortable use. They can be widely used for repairing or assembling remote control cars, model airplanes, etc. Specifications:Material: Aluminum alloy(handle), HSS(nut driver bit)Surface Finishing: Brushed finishNut Driver Socket Size: 4.0MM, 5.5MM, 7.0MM, 8.0MM Weight: 214g(approx.) Package Includes:4pcs x Hex Socket Nut Drivers