The H-101 Carbide Side Cutting Bur is a straight head diameter size of 1.0mm and cutting surface of 5.0mm. The overall length is 51mm long with a straight shaft. 6 flutes on the Side cutting burs help remove excess material smoothly and efficiently. Surgical side cutting burs can be used in a variety of surgeries where lateral cutting is required. Side Cutting burs can be straight or tapered depending on the application. Omega?s H-Series Side burs are made from medical grade Carbide for the sharpest edge. All our surgical side cutting burs are manufactured right here in the United States.