[High flexibility] Very fine 8mm cutting edge 2mm shank length and diameter is suitable for many CNC milling or cutting machines. Single tooth cutters are used for superior chip evacuation in high milling speed Select the correct tool type and optimize the excretion method. [Special Use] Usually these cutters which 3.175mm are used for hardwood and other three-dimensional carving, machining, etc.Also cutting acrylic, PVC, MDF, industrial manufacturing, electronics, PC watches, lenses, products industrial, furniture, advertising, production and other industries, can process all kinds of metal, density board, wood, board etc. density and many other soft materials [Good effect] Using ultra-fine grain carbide with good milling, good cutting performance, high working efficiency.Unique flute-shaped milling cutter with sharp edge would provide smooth cutting and clearance of chips. [High Quality] This cutter set is made from high quality tungsten carbide for good hardness and the cutting edge is quite sharp. These engraving tips have sufficient flexural strength and wear resistance. Milling, hole and plate edge, clean surface, tidy, no burrs. [Spare quantity is sufficient] There are a total of 10 end mills in this set. When you need a bur in several ways, or when the bur has worn out too long, our kits have enough to use and a replacement would be a great replacement.