ITEM NAME:10pcs new dental trimming finishing burs carbide burs 25mm Z Feature: - Long, tapered bur creates a funnel shape for easier access in the pulp chamber - After initial penetration, this long, tapered bur creates a funnel shape for easier access in the pulp chamber - The safe-ended, noncutting tip prevents penetration of the pulp chamber floor or the root canal walls. Cutting surface Description: -Cutting surface length: 9mm, total length: 2.5 cm(0.98") Package Includes:.10 Pieces/set x Endodontic Burs. - After initial penetration, this long, tapered bur creates a funnel shape for easier access in the pulp chamber. -Cutting surface length: 9mm, total length: 2.5 cm(0.98").