6" to 24" (150mm to 609mm) diamond grinding, polishing, & lapping machines for Industry and R & D. Designed coarse & fine grinding and polishing of Advanced, Ultra Hard & Brittle Materails, Optical Materials, Composites. High hardness materials including metals, ceramics, refractories, cement, and petrographic thin sections. As well as full range of optical materials, such as: Bk7, Fused Silica, Zeroder, Quartz, Soda Lime Glass, Yag, Sapphire, and Many Other Materials.