Features 1、High-speed dental burs have no weld joint, no deformation, high concentric concentricity 2、Made of tungsten carbide steel of high hardness, much harder than ordinary steel and teeth 3、Tungsten carbide steel burs are essential tools in polishing therapy used for drilling teeth 4、Excelling cutting ability, will not harm dental handpieces; patients feel comfortable, and the cut surface is smooth 5、It is mainly used for dental, clinical tooth preparation and cutting metal crowns Specification Features: High-speed dental burs have no weld joint, no deformation, high concentric concentricity. Made of tungsten carbide steel of high hardness, much harder than ordinary steel and teeth. Tungsten carbide steel burs are essential tools in polishing therapy used for drilling teeth. Excelling cutting ability, will not harm dental handpieces; patients feel comfortable, and the cut surface is smooth. It is mainly used for dental, clinical tooth preparation and cut metal crowns. Specifications: Model: FG-557 Material: Tungsten carbide steel Tip Diameter: 1.0mm/0.04in Tip Length: 4.2mm/0.16in Shank Diameter: 1.6mm/0.06in Total Length: 19mm/0.74in Package Includes: 10pcs x Dental Burs Package List