Removing the burr from half-round pliers

The metal burr on the inside of the jaws of a pair of small half-round nose pliers is removed using a small oil stone. Cheap tools like this may or may not have a burr.

These small 130mm long pliers are typically used in electronic applications.

A review of these pliers and information on removing the burr can be found at: https://startingelectronics.org/reviews/tools/cheap-half-round-nose-pliers