The Z830-010C is a pear zirconia-optimized diamond bur on an FG friction-grip (high-speed handpiece), designed for cutting and sectioning zirconia and PFM crowns for removal. Shape: Pear (ISO figure family 830 / carbide 330·245) Material: Diamond, optimized for zirconia and PFM Head size: 1.0 mm head Shank: FG friction-grip (high-speed handpiece) Grit: Coarse (green band) Sterilizable, single-use friendly; consistent quality at clinic-friendly pricing Cross-reference: built to the universal ISO figure 830 standard — a direct match for any brand's 830 pear bur, including Brasseler, Komet and SS White. Match the head-size and grit to replace your current bur.Not sure this is the right bur? See our Bur Cross-Reference & Usage Guide or email [email protected] with the number you currently use.