Those 2" grinding wheels are 5/32" ( 4mm ) thick with 3/8" arbor hole. Fit for pneumatic air grinders using 2" grinding wheel with 3/8" arbor fitter.*Sold as 5 pcs in a pack...
Those 3" grinding wheels are 5/32" ( 4mm ) thick with 3/8" arbor hole. Fit for pneumatic air grinders using 3" grinding wheel with 3/8" arbor fitter.*Sold as 5 pcs in a pack.*Ship within 5 business days..