Material: Metal. Precise, smooth, and detailed cutting, made of cemented carbide for long life, highly wear-resistant and durable with extended cutting life. Material: Carbide-tipped. Pack includes 8 and 14 1/2 inch dovetail router bits. Cutting diameters: 1/4", 1/2", 3/8", 5/8", 7/8", and 3/4". Overall length: 52mm. Premium tungsten carbide blades. Cutters can be sharpened. Features sealed bearings for smooth rotation and precise cuts. Rustproof coating on blade head for enhanced durability and longevity. Two flutes, 1/4" shank with shank-mounted bearing guide. Suitable for dovetail wood routing. Ball bearing guide included. Wood milling machine drill bit with bearing for dovetail joinery applications. Ideal for wooden door frames, window frames, cabinet frames, and tenon joints. Great for woodworkers, hobbyists, and professionals. Perfect for woodworking projects including edging, trimming, slotting, and grooving. Professional DIY tool for carpenters and hobbyists. Suitable for use on chipboard, MDF, and softwood. Compatible with CNC routers, automatic routers, manual routers, and desktop routers. Shank diameter: 6.35mm (1/4 inch). Note: Measurements are manually taken; please allow 1-6 mm error. Due to lighting and screen differences, slight color variations may occur. Actual product may vary slightly in appearance.