American Router Bit Set Complete Set, Mna Router Bits 35 Pcs. Set, 35 Pcs. 1/4 Bits Precisely match the requirement of the American dimension and standard. American industry classification C3 Carbide. Provide superior wear resistance and sharp edges for the best finish. MNA 35-piece set is a complete set for the professional woodworker. It has a great variety of the most popular carbide-tipped bits in a professional aluminum storage case. Fit for all types of wood material, such as MDF, Hardwood, Softwood, and Particle Board. Universal 1/4? shank is compatible with all major router instrument (either handheld or benchtop router table) such as MNA, Kowood, Bosch, DeWalt, Makita, Tooldo, Milwaukee, Porter Cable, Skil, Ryobi, Black Decker