Material solid hardened steel cutter body, durable. High abrasion resistance, high precision and high toughness. Coating the cutter body can better evacuate chips and reduce friction. It is not easy to deform and rust, has good oxidation resistance and strong tear resistance. Ideal for professional woodworking. UsageSuitable for MDF, solid wood, MDF, particle board, plywood, wooden door frames, wooden window frames, cabinets and boxes, etc. . Ideal for edging, trimming, veining and grooving in all woodworking projects, both for professionals and amateurs. Widely used-The hard metal cutting edge of the router bit ensures a long lifespan. Suitable for wood board, medium density fiberboard, particle board, plywood compact board, etc. Please avoid cutting ferrous metals and other hard materials, steel, iron, etc. Easy to store-The milling cutter is equipped with a lightweight plastic storage box, which can Store the cutting head when not in use to avoid cuts. Please take good protective measures during operation to prevent wood chips from damaging your eyes. Manually measure the size, there may be 0-5mm error, which is normal. Package contents 7 x straight cutters. Mainly used for cutting, lining, graining and grooving wood.