We are proud to offer American made Imperial Blades with the universal arbor that will the Fein Multimaster, Ridgid, Mastercraft, Bosch, Dremel, Milwaukee, Skil, Makita and Craftsman. If you own a Fein or similar, you know how expensive the blades are and if you purchased the cheap Chinese blades you know how short their life is. Imperial has done a great job of producing high quality domestically made blades at reasonable prices. Give them a try today, you will not be disappointed.