HP bur (44.5 mm) For Low Speed Straight Nose Cone Handpiece Shape: Round/Straight Fissure Shank Type: HP (Straight Handpiece) Shank length: 44.5mm (1.75 inch) Shank diameter: 2.35mm Pack: 5 burs/blister For low speed straight handpiece FDA Statement: The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item.