4 Pcs 6mm Deep Groove Burrs Hard Metal Radius Burrs Accessories

1/4" (6.35mm) / 7.95mm / 9.52mm / 12.7mm (1/4") Shank,4pcs. Blade material: YG6 carbide; Body material: 45# carbon steel, which provides cleaning and sharpness. Sharp edges, high hardness, precise positioning, high precision, smooth cutting and high strength. Round nose routers for decoupage, beading, flight and general decoration. Suitable for solid wood, particle board, MDF, wood, etc. Create very smooth cuts.