Features:Made of bearing steel by quenching process, it is a small production tool.There are many fine teeth on the surface, strips, hand tools for polishing the work.Used for micro-grinding, processing work or hardwood devices for various mechanical metal products, fine shapingVarious types meets you different needs,very convenient.The two-color rubberized handle design is soft and comfortable to hold, and the work process is not exhausting.Specification:Types(optional):3*140 mm/5.5 in 4*160 mm/6.3 in 5*180 mm/7.1 inPackage List:1 Set* File.Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.Handle color random delivery.