A high quality 4-1/2" Grinding Wheel made by Pferd in Germany. This grinding wheel is designed for steels, edge grinding, surface grinding, weld finishing, etc. Long service life for reduced wheel changes, suited for use in severe high pressure grinding. 4-1/2" diameter of wheel. 5/8-11 thread. 1/4" thickness of blade. Depressed center type blade.  Made in Germany.,Established near Cologne, Germany in 1799, the Pferd brand name is synonymous with outstanding premium-quality tools & abrasives. Today, we manufacture more than 7,500 Pferd brand grinding, cutting & surface finishing tools, & a complete range of power & maintenance brushes. Pferd 4-1/2" Grinding Wheel - 1/4" Thick ~ 5/8-11 Thread