NeoDiamondĀ® 1116ZA Zirconia Adjuster Diamond Bur by Microcopy (USA). High-performance single-use friction grip (FG) diamond bur featuring a round end taper profile (#1116). Specifically engineered for adjusting, contouring, and refining monolithic zirconia and high-strength ceramic restorations without inducing micro-fractures, leaving a smooth surface texture.