CAST IRON LAPPING PLATE - ROUND Superb Quality Lapping Plate / Marking Out Table. Size : 300mm - 12" - Diameter Grade 1 - Flatness to within 8 microns Hand Scrapped Very sturdy, Heavy Duty Construction Throughout. With Rexine Cover & Lifting Handles Cast Iron Lapping Plates that are used for accurate hand lapping of various materials like nylon, plastics, ceramics and other non-ferrous material. These cast iron lapping plates are available in round and rectangular sizes. Our iron lapping plates are manufactured using closed grain graded casting as per IS 210:1993 confirming to Grade FG- 220. Feel Free To Ask Any Questions ? Thanks !