Versatile 3-in-1 tool can be used on both cam chains and drive chains. Includes three pin sizes for compatibility with most chains (2mm, 3mm & 4mm) and sturdy cast design will break chains from #35 to #530. Also includes tools and plates needed to rivet hollow nose master links. All parts store neatly in molded plastic case. 8.5"×4"×1.5", 24 oz.