Threepiece tungsten steel nail drill bit set designed for precise nail work and multimaterial grinding Key benefits Versatile grit options: includes Extra Fine, Fine, and Medium heads so you can select the right level of abrasiveness for shaping, smoothing, or removing material. Durable cutting performance: made from tungsten steel for good strength and cutting ability with low heat generation during use. Precision access: tapered head shapes reach sidewalls and cuticle areas for detailed work without scratching surfaces. Broad compatibility: fits most nail drill machines that use 3/32 inch bits and can be installed on electronic grinders and hand grinders. Features Three drill bits per set, each with a different roughness to achieve different effects. Material: tungsten steel for long life and effective grinding. Colors available: silver and yellow, silver and red, silver and blue. Size: approximately 41.5 x 6.6 x 2.35 mm (length x widest head diameter x handle diameter). Package includes: 3 pieces of nail drill bits. Typical uses Nail salon work: refine acrylic and gel nails, remove artificial layers, and smooth edges and cuticle lines with controlled abrasion. Athome manicures: shape and polish nails, smooth surfaces, and prepare nail beds for polish or extensions. Small craft and work: grind or carve materials such as glass, plastic, metal, stone, ceramic tiles, and ceramics for trimming and detailing. Compatibility and handling Designed for use with nail drill machines that accept 3/32 inch shank bits and compatible electronic or hand grinders. Allow for slight color variation due to lighting and display differences. Allow a 0.5 to 2 cm tolerance for manual measurement. This set offers practical, durable drill bits for both professional and beginner use, delivering three grit choices for detailed nail art and a wide range of small material grinding tasks.