Description: 【Quality Material】: The polishing nail belt drill bit for 3.1mm electric manicure nail polishing machine is made of high quality stainless steel material, which is high in hardness, sturdy and durable, and can be used for a long time. 【Wide Application】: The manicure drill drill is suitable for nail salons, beauty salons, spas or personal manicures and pedicures, as well as DIY manicures at home. 【Multi Function】: The nail polishing tape is perfect for manicures and pedicures, and can be used for a variety of professional jobs, such as sanding and nail polishing. 【3.1mm Nail Sanding Belt Drill】: nail drills heads is perfect for electric nail drills and other drills that use a belt. 【Sufficient Quantity】: 3.1mm nail sanding bands drill with sufficient quantity, enough for long use, economical kits. Specification: Material: Stainless Steel Size Chart: Sanding Band Shaft:Diameter:3.1mm/0.12inch 80 mesh:4.5cmx4.5cm/0.18inchx0.18inch 120 mesh:4.5cmx4.5cm/0.18inchx0.18inch 180 mesh:4.5cmx4.5cm/0.18inchx0.18inch Nail Drills Set:7.5cmx6.5cm/0.30inchx0.26inch Package Includes: Optional: 1 Nail Sanding Bands Drill or 30pcs 80 mesh Nail Sanders Drills or 30pcs 120 mesh Nail Sanders Drills or 30pcs 180 mesh Nail Sanders Drills or 1 Set Nail Sanders Drills(80 mesh, 120 mesh, 180 mesh,240 mesh mixed packaging)(3 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.