An updated version of the original and best selling Park Master Link pliersMany non-Shimano derailleur chains use a master link that allows the chain to be installed and removed by handWhile this type of masterlink doesn't require a traditional chain tool, over time, dirt and corrosion can make it very difficult to separate by handMLP-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 themSimply insert the specially sized jaws into the masterlink and squeeze the handlesMade in the USA and covered by Park's legendary limited lifetime warranty