1、Router Bit Set: This kit includes 24 pieces router bits, suitable for woodworking, edging, trimming, grooving, veining wood projects, for professional and beginners carpenter use. 2、Tungsten Steel Alloy: These woodworking router bits are made of excellent tungsten steel alloy, making them strong and sturdy, which can with stand some heavy use and the test of time. 3、Multiple Usages: The router bit set is perfect to accomplish a variety of basic routing jobs such as edging, joining, trimming and slotting, With high efficiency, time and labor saving. 4、8mm Shank: These wood router bits have standard 8mm shank, ensuring stable and reliable connection, suitable for single handed trimmer, engraving machine, and other equipment. 5、Aluminum Storage Box: All woodworking router bits are stored in an aluminum box, providing reliable guard and orderly organization, making bits convenient to access and prevent loss.