Nail File, Electric or Battery
From Amazon
Beurer Replacement Manicure + Pedicure Tool Tips Compatible with the MP64 and MP66, High-quality Sapphire & Felt Electric Nail File Bits For Perfectly Cared For Nails
Healthcare 4 All
Beurer Manicure Pedicure Replacement 10-piece Attachment Set for MP64 MP66
Conrad Electronic
Beurer MP 64 Replacement heads