3 New FG Bur Endodontic Root Canal H-files K-files Holder Block 3 New Dental FG Bur Endodontic Root Canal H-files K-files Holder Dental bur block with 72 holes (36 holes for FG bur, point for High Speed, 36 holes for endodontic files, for K-Files or H-Files) Autoclavable under the high temperature of 135 degree and pressure of 0.22Mpa Material: Aluminum