A&M diamond burs are made from the finest grade surgical steel and are multilayer coated with premium quality diamonds. Our burs are FDA registered and in process of ISO certification. You receive diamond burs that cut quickly and smoothly. All A&M diamond dental burs are made in the US at our manufacturing plant in Alpharetta, Georgia. A&M diamond dental burs are guaranteed against defects in materials and workmanship. All FG diamond burs have a 1.6mm (1/16") shank and are 22mm in length or shorter, unless otherwise specified. ExtraFine FG Round Balls ExtraFine FG Flames ExtraFine FG Needles & Xmas Trees ExtraFine FG Pears ExtraFine FG Eggs & Footballs ExtraFine FG Tapers Thank you for visiting A&M Instruments, Inc. Diamond Dental Burs. You will be pleased with the high quality of your dental burs and dental discs. All of our diamond and carbide cutting tools are made in the US, in Alpharetta, GA. Copyright® 2003-2011 A&M Instruments Inc 770-772-6404