Specifications‎:‎ Shank material‎:‎ Steel Tip material‎:‎ Diamond Length‎:‎ 50mm Shank diameter‎:‎ 8mm R angle‎:‎ 60 degrees Scope‎:‎ abrasive industry‎,‎ the bearings industry‎,‎ grinders‎,‎ small grinding wheel angle radians precision and dressing Features‎:‎ Diamond pen is a new type of grinding wheel tool Using powder metallurgy hot pressing process‎,‎ the matrix alloy has good abrasion resistance and high strength‎.‎ To ensure the accuracy and surface finish of the machined parts‎.‎ Notice‎:‎ 1‎.‎Please allow 1‎-5mm error due to manual measurement‎.‎ please make sure you do not mind before you bid‎.‎