The clipper set comes with an included file ... best luck using the included Sapphire Disc drill bit. Just place the attachment on the head, turn it on, and touch the file to any fingernail ...
In the box you’ll get the cordless clipper, 10 comb attachments (#0.5-8mm), one right ... it’s perhaps a little heavier than your standard clipper set, but still light enough to use for ...