About Xuanfeng Factory :We are a professional factory with 15 years of production history. Our factory philosophy is to provide our customers with: satisfactory quality of use, high work efficiency, and perfect after-sales service. About that product: Cutting Diameter:1/8" Shank Diameter：1/4” Cutting Length:1" Overall Length:2-1/2"The 2 flutes and the Naco coating provide great performance and extended tool life.3D carving CNC end mills with Naco coating provide the extra length needed to carve 3D shapes out of solid wood, plastic, foam and other materials. The extended bit design provides the necessary reach to create high relief projects.It is important to perform the large material removal with a standard CNC endmill and only utilize these bits for the final high-resolution pass. Any added strain on these bits can result in breakage to these delicate bits.nACo coating provides longevity and produces cutting results of the highest quality. use for cutting: Laminate, Melamine Particle Board,MDF,Veneered Plywood,Wood for use on CNC, table mount and handheld routers. Ball Nose Spirals leave a rounded bottom during cutting while still providing a better shear cutting angle like their standard spiral counterparts.Warranty For Customers: Quality assurance. if there are any problem with the item please contact us at first, we will offer new item exchange or refund policy.