【High Quality】YG6 carbide end mill and #45 steel shank. Premium YG6 tungsten carbide blades for long-lasting performance 【Size】Cutting diameter: 12mm/16mm/19mm/22mm/25.4mm, shank: 8mm. 【Widely Used】Perfect for reeding, grooves, veining, grooves and general decoration where a round floor groove is required. Suitable for cutting composite materials, plywood, hardwoods and softwoods 【Applicable Equipment】For use on CNC and other automatic routers as well as handheld and tabletop routers. Such as woodworking engraving machines, cutting machines, Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.