Motion Pro is dedicated to producing the most versatile, unique and durable products for professional and home use. Motion Pro tools are designed to be simple to use, yet durable enough to withstand the harshest conditions. One of their goals is to offer tools of convenience. Do it right the first time with Motion Pro Tools. Keeps flywheels, rotors and sprockets from rotating during removal and installation. Holds sprockets and rotors with holes center-to-center at a minimum distance of 13 mm and a maximum distance of 230 mm. Features 5 and 9 mm pins. Adjustable stop-screw keeps tool open at set distance.