12 Blade trimming/finishing bur with premium quality solid tungsten provide faster and smoother cutting. Carbide finishing burs create a smoother surface finish on most dental materials when compared to diamond instruments. The flame shape of the 48L and 283 make these burs ideal bur for use in orthodontic debonding procedures. Twelve bladed finishing burs provide a smooth finish on composite, amalgam, enamel and dentin. (FG) Friction Grip