NeoDiamondĀ® 1212Z Z-Class Zirconia Cutting Diamond Bur by Microcopy (USA). High-performance single-use friction grip (FG) diamond bur featuring a round end cylinder profile (size #1212). Specifically engineered for efficient cutting, adjusting, sectioning, and endodontic access through monolithic zirconia and high-strength ceramics with minimal micro-fracturing and chatter.