Carbide Bur BlankType Number: Cylindrical (A) ;Cylindrical with ball nose (C); Ball (D) ; Oval (E) ;Hyperbolic with ball nose (F); Flame (H); Conical (M); Conical (L); Hyperbolic with point nose (G); Conical 90 degree (K); Conical 60 Degree (J); Back Conical (N)Grade:CK10/CK20/CF10/CF20 HIP & Unhipped Speical items upon request!