Our primary manufacturer of cut-off wheels is Premium Flex out of Germany. They greatly outlast other wheels, yet sell at a very competitive price. Autobody shops use mostly 3" Diameter X 116" thick X 38"arbor. We stock diameters: 1 12", 3", 4", 4 12" and 6" in thicknesses: 132", .040, .045, 116", and 18". Arbor holes are available in: 18", 14", 38", 58" and 78".