Master link pliers are a must for working with chains that include master links. KMC's eXtra Tools line includes this MissingLink Remover, a shop-quality master link pliers that are the perfect addition to your toolbox.
With the right tool plus a re-usable master link, you can install and remove your chain in seconds, making it simple to clean, degrease, and apply wax or other lubricant.
Insert the ends of the tool into the chain on either side of the MissingLink (master link)
Hold the master link in place
Squeeze the tool until the master link releases