Park Master Chain Tool Every work shop needs one of these Park Tool have developed a precise, powerful tool to quickly and accurately remove and install chain pins Specially designed to work with the tight tolerances and narrow profile of 10-speed chains and most high quality derailleur chains Integrated Link Pocket to ensure precise alignment during use Replaceable, rotating pin Perfectly contoured cushioned handles Precisely machined investment cast body and components Note: the CT-4 is NOT compatible with Wipperman chains due to the shape of the chain side plates, most chain side-plates are shaped like an hour glass, however Wipperman chains have straight side-plates so they will not fit in to the tool |  |