also: つめヤスリ
nail file
A small file used for shaping and smoothing fingernails or toenails.
I shape the tips of my nails with a nail file.
Common mixed kanji-kana spelling.
Katakana variant for やすり; often seen in product names.
Rare kanji spelling using 鑢 for 'file'.
Compound of 爪 (つめ, 'nail') and やすり ('file').