These blades saw in all directions and have 360 cutting capability. Excellentfor 0 radius scroll/fret work – you never have to turn the work piece. Use forcutting all types of materials including wood, plastic, wax, non-ferrousmetals, plaster, bone, horn, etc. For use in power scroll saws and hand-heldfret and jewelers saw frames. Cutting speed and finish depend on materialthickness and number of teeth per inch. These premium blades are made of highcarbon steel, hardened and tempered to stay sharp longer. Good for bevelcutting letters in names. Increase throat capacity and cut longer pieceswithout turning!.