Features: ?Universal Fit?Applicable to all kinds of grinding pens, after each use, just clean and store in the box (not included), convenient and hygienic, easy to carry ?5 In 1? grinding head contains five grinding functions: rounded teeth, uniform transition of the three main teeth (that is, the upper and lower spacing of the teeth is narrow), and bidirectional use ?Ultra-Fine Grinding Pattern?A: phototherapy nail/extended nail/crystal nail, the flat head design is not easy to hurt the skin on the edge of the nail ?Fine Grinding Pattern?B: phototherapy nails/extended nails/crystal nails, and modify the over glue stains around the nails ?Medium Grinding Pattern?C: phototherapy nails/extended nails/crystal nail grooves, nail polish, etc., with fast removal speed Specifications: Type: A, B, C Material: Tungsten Steel Size(L*W): About 42x7mm/1.65x0.28inch Applicable Shaft: About 2.35mm/0.09inch Package Included: 1pc x Nail Drill Bit Note: 1. Due to the light and screen difference, the item\'s color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.

?Multipurpose? With a good, sharp and cutting performance, perfect for gel surfaces and acrylic nails, also for nail file, shaping and cutting nails, sanding, etc. ?Multipurpose? With a good, sharp and cutting performance, perfect for gel surfaces and acrylic nails, also for nail file, shaping and cutting nails, sanding, etc. ?Easy To Use And Clean?This set helps clean up the cuticle super fast and doesn’t eat up the natural nail. You can easily use for cleaning cuticles and acrylic, refining and shaping nail edges, and removing dead skin. ?5-in-1 Nail Drill?The two-way rotation function ensures that the bits are clockwise and counterclockwise smoothly. They are used for cleaning and preparing, shaping and trimming, cuticle work, under the nail and for filling. ?Professional Nail Drills?The nail drill sets are made of high quality tungsten steel material with excellent heat dissipation for faster cooling with high speed and long-term rotation, sharp and durable.