Material: Carbide alloy; Shank: 6mm; Ball diameter: 6/8/10/12/14/16/19mm. Ideal for wood carving, root carving, tea table making; it is more suitable for metal and non-metal parts with high surface finish. Round nose head, sharp blade perfect for rounded grooves and decorative slots. Used with an edge guide, it can cut shells. Can be used with handheld, table-mounted, and CNC routers. Industrial-grade micro-grain carbide ball blades provide increased strength and greater resistance. Material Carbide taper T-slot router bit