Park Tool Master Link Pliers 1.2 An updated version of the original & best selling Park Master Link pliers Many non-Shimano derailleur chains use a master link that allows the chain to be installed & removed by hand While this type of masterlink doesn't require a traditional chain tool, over time, dirt & corrosion can make it very difficult to separate by hand MLP-1.2 Master Link Pliers have cleverly redesigned tips, allowing them to be used to rejoin stiff or corroded master links as well as split them Simply insert the specially sized jaws into the masterlink & squeeze the handles Made in the USA & covered by Park's legendary limited lifetime warranty