Two sets of oblique tenon fit knife， Router bit， shank 12.7 mm，You can use as a 12.7mm Dianmu milling， engraving machine， engraving machine chuck.YG6 alloy blade with high-grade welding， stable quality， high efficiency，Continental can be used to make door cabinet doors， closet doors.Processing wood thickness 18-22 mmMaterials:Body --Solid Hardened SteelBlade - Industrial grade micro grain carbidePackage includes;2 x Router bit