AM5200: specific tool for ACS Crossfire freewheels, fits over both 3/8" and 14mm axles AM5201: spanner wrench for Crossfire and universal 4slot freewheels AM5203: specific to Paws, Paws HD, Paws 4.1 and gray Southpaw freewheels. A reinforcement ring inside the prongs allows firm centering and maximum torque. Tool is NOT compatible with CLAWS, SHIMANO, and some other freewheels AM5205: universal 4prong that fit Claws, Fat, Southpaw, Shimano, Dicta, and other 4slot freewheels