【SALON PREP】Designed for professional nail artists and DIY home manicurists, these silver rotary attachments excel at precise cuticle cleaning and sidewall filing during quiet evening beauty sessions. The flame shape effortlessly reaches tight areas. 【UNIVERSAL FIT】Featuring a standard shank diameter of 0.235 cm / 0.09", these accessories fit most electric files. The head measures 0.18 cm / 0.07" wide and 0.8 cm / 0.31" long, with total lengths of 4.5 cm / 1.77" and 4.4 cm / 1.73". 【VISUAL CODING】Crafted from particles, these silver manicure tools feature a colored ring (red or yellow) for instant grit identification. This smart design speeds up your nail preparation process down to just 90 seconds. 【DETAILED CARVING】Ideal for intricate under-nail cleaning and dry manicures, the pointed flame profile ensures steady operation. Designed for busy salon environments or weekend pampering, providing smooth operation at speeds up to 20000 RPM. 【HYGIENIC ROTATION】This ten-piece bulk pack ensures a fresh option is always ready for back-to-back clients in busy commercial spas or personal vanity tables, eliminating downtime during detailed acrylic prep or natural nail maintenance. Package list: 1x 10-Piece Nail Drill Bit Set