Profile: E.c. Moore Co Inc. develops new products to aid the dental industry. We have over forty different grits that range in diameters from 3/8" to 1 1/2". Our product line includes hundreds of new products and convenient kits. Our standard moore-flex starter kit includes 400 finishing and polishing discs (100 each coarse, medium, fine & ultra fine) & 2 mandrels. The system is available with our regular brass center discs in 5/8" or 1/2" sizes or with our mini brass center discs in 5/8", 1/2" or 3/8" sizes. Our carbide burs are available with two coatings. Zirconium nitride carbide burs is the most durable one.