Material: YG8 carbon and alloy steel; Shape: V-groove; Shank diameter: 8 mm. Cutting edge (diameter * Angle): 22 mm x 60, 32 mm x 60, 22 mm x 90, 32 mm x 90, 22 mm x 120, 32 mm x 120. The V-groove woodworking groove cutter is ideal for grooving in many workpieces in woodworking projects. With good milling, cutting performance ensures high efficiency. Use with an edge guide for chamfering and beveling edges. Very good concentricity, double-edged cutting design, sharp edge, the bottom leaves no crumb residue. Used for hand router tools, table mounted and CNC machines. Suitable for materials: acrylic, MDF, PVC, 3D engraving and chamfering, etc. Product Description Features: Housing: Solid hardened steel. Blade: Industrial grade micrograin carbide Cutter: 600 mirror-like surface CNC base. Shank diameter: 8 mm. The dimensions of the 6 bits are as follows: 8 x 22 x 60 --- Cutting diameter: 22 mm. Grade: 60 8 x 32 x 60 --- Cutting diameter: 32 mm. Degree: 60 8 x 22 x 90 --- Cutting diameter: 22 mm. Degree: 60 8 x 32 x 90 --- Cutting diameter: 32 mm. Degree: 60 8 x 22 x 120 --- Cutting diameter: 22 mm. Grade: 60 8 x 32 x 120 --- Cutting diameter: 32 mm. Degree: 60