The DuraTrax DTXC8681 2.6 x 6mm Mach Screws Mini Quake is a set of screws designed for RC model vehicles. The screws are made by Duratrax and are part of their Mini Quake line. These screws are used for the chassis, drivetrain, and wheels of the vehicle, specifically for the transmission, clutches, and gears. The product is new in package (NIP).