7 Different Sizes: The cutting diameter of the slot cutter with 6mm shank is 3mm/4mm/5mm/6mm/8mm/10mm/12mm.The shank diameter of 6mm can meet different cutting requirements in different applications. High-quality materials: The knife set is made of carbide, which has excellent properties such as high hardness, wear resistance, high temperature resistance and corrosion resistance. Good cutting effect: After precision processing, the cutting edge is sharp, the cutting surface is smooth, and there are no burrs.The cutting edge is sharp, the angle of each cutting edge is uniform, and the use efficiency is high. Ideal for woodworking: use for trimming and grooving, refining wood projects.It is ideal for woodworkers and hobbyists of all experience levels. Wide range of applications: the woodworking knife with 6mm handle is suitable for various manual and desktop engraving machines in the field of threading or inlaying hardwood, softwood, composite boards and othersdrink.