Description: 【Nail Sanding Bands】: Nail Art Sanding Bands work with electric nail drills with 3.1mm bearing (Not including), just put the sanding ring bands on the drills for grinding, easy to use. 【Multifunctional】: Nail Sanding Bands are perfect for manicure and pedicure, and can do diverse professional work, such as sanding, nails polishing . 【High Quality Material】: Polishing Nails Sanding Bands for 3.1MM Electric Manicure Nail Polishers Bits are made of high quality material, high hardness, abrasion resistant, durable and can be used for a long time. 【Wide Application】: Mini Nail Sanding Ring Bands are suitable for nail salon, beauty salon, spa or personal manicure pedicure, DIY manicure at home. 【Package】: Including 50pcs Nail Art Grinding Heads ,sufficient quantity, enough for long time use, economical kit. Specification: Material: sand ring Grit (Optional): Style A: #80 Style B: #120 Style C: #180 Style D: #240 Size Chart: Single Size(Widthxheight):0.5cmx1.3cm/0.20inchx0.51inch  Package Includes: 50 Pieces Nail Art Sanding Bands(3 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.