Nice tool meet a lot of use: Adjust the arms to a suitable distance through the screw, then insert pins into the corresponding slots. Used to fix, install, disassemble, screw and unscrew any accessories or part on a vehicle in the proper size. Fit any bike, motorbike, moped and scooter. Great for scooter clutch, trim cylinder, motorcycle flywheel, hydraulic gland, transmission gear, variator, hub, etc.