1. UNIVERSAL FIT: Nail drill mandrel adopted 3.1mm design, can fit most electric nail grinding machines, essential tool for professional nail salon. 2. WIDE APPLICATION: Nail drill mandrel is suitable for polishing, nail polish removal, nail repair, etc., which is ideal for use in salons or at home. 3. MANICURE TOOL: Nail drill mandrel for sanding bands is the perfect tool for professional manicures, suitable for nail removal and polishing. 4. PORTABLE: Sanding bands mandrel is small in size and light in weight, easily put in your bag for travel use, keep your nails perfect at any time. 5. TUNGSTEN STEEL: Made of excellent tungsten steel that is strong, durable, and long lasting, which can be used for a long time without broken. Spec: Item Type: Sanding Bands Mandrel Material: Tungsten Steel Size: Approx. 3.1mm / 0.12in PackageList: 1 x Sanding Bands Mandrel 1 x Storage BoxMANICURE TOOL: Nail drill mandrel for sanding bands is the perfect tool for professional manicures, suitable for nail removal and polishing. TUNGSTEN STEEL: Made of excellent tungsten steel that is strong, durable, and long lasting, which can be used for a long time without broken. UNIVERSAL FIT: Nail drill mandrel adopted 3.1mm design, can fit most electric nail grinding machines, essential tool for professional nail salon. PORTABLE: Sanding bands mandrel is small in size and light in weight, easily put in your bag for travel use, keep your nails perfect at any time. WIDE APPLICATION: Nail drill mandrel is suitable for polishing, nail polish removal, nail repair, etc., which is ideal for use in salons or at home.