NeoDiamondĀ® 1214Z Z-Class Zirconia Cutting Diamond Bur by Microcopy (USA). High-performance single-use friction grip (FG) diamond bur featuring a round end cylinder profile (1.4 mm diameter, 8.0 mm head length). Specifically engineered for efficient cutting, adjusting, sectioning, and endodontic access through monolithic zirconia and high-strength ceramics with minimal risk of micro-fracturing and chatter.