Motion Pro 08-0741 Trail Task ADV Chain Tool. Versatile, light and super compact chain tool for adventure touring and long distance trail riding. Will break 520, 525, and most 530 chains and master links (maximum link width of 20 mm).Included steel press plate for removing and installing clip style press-on master link plates. Innovative dovetail closure provides ease of use and superior strength. Includes durable cloth pouch for easy transport on your adventure. Requires use of 12 mm and 14 mm wrenches (not included). Does not rivet master links.