Side mill cutter 5 five pieces HSS E 5 pcs They have etched on them:franken f3 4530 0197 402 hss/e db 725625 pcs lot14 mm widthCutter width 11mm16mm axis keyway slotOuter diameter: 50mmNet weight: 120gr each. They have signs of corrosion from storage ,HSS/E tools can be resharpend many times.4 of them are still usable (before resharpening ) with no broken teeth..1 has one broken teeth and signs of strong use on teeths ( oxidation etc ).I check them on microscope.