This is a factory replacement slipper clutch spring from SWORKz, sized D1.6x12mm and designed for 1/10 scale competition use. It fits the slipper clutch assembly on SWORKz 1:10 2WD buggy platforms. Replacing a worn or damaged slipper spring restores consistent clutch engagement and helps protect the drivetrain under hard acceleration. Features: D1.6x12mm specified dimensions Metal coil construction Slipper clutch replacement spring For 1/10 scale SWORKz 2WD buggy 7/7/26 cs