Features: brand new and high quality High Quality: Constructed using high quality 45# carbon steel & YG6 alloy materials, this durable router bit set will allow you to complete all your projects with confidence. Premium Size: They feature 12mm & 12.7mm shank shanks. Simple structure and easy to operate, it is very suitable for woodworking. Wide Application: Suitable for solid wood, particle board, plywood, wooden door frames, wooden window frames, cabinets and boxes, etc. Smooth & for Sharp Cutter: Carbide cutters, featured with straight shank, solid hardened steel bodies with anti-kickback design. Woodworking Tool: Using for hand making a drawer or other woodworking. Perfect for woodworking, edging, trimming, grooving, veining wood projects. Specifications: Material: 45#Carbon Steel + YG6 Alloy Shank Diameter: 12mm/12.7mm Package Includes: 1x Router Bit note: 1.Please allow 1-3cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.