NEW Lot of 5 Square Fansteel Carbide Inserts # SEC 432 / grade - 2A5 Rare Fansteel. This come from lot of carbide that was Valenite and Carboloy. NO IDEA what grade 2A5 is, but you will love it ***Please check out my other lots. I have lots of Carbide inserts and more we are adding! FREE USA SHIP