Gem Bids For Cross Grooved Pattern Surface Hand Lapping Plate Circular In Shape Of 400 Mm Size Diameter X 30 Mm, Solid Plain Surface Hand Lapping Plate, Circular In Shape Of 400 Mm Size Diameter X 30 Mm Thick, Solid Plain Surface Hand Lapping Plate Circular In Shape Of 400 Mm Size Diameter X 30 Mm Thick