MATERIAL---Made of 45 high-carbon steel and alloy, high-grade welding, stable quality and high efficiency SIZE---Shank Diameter: 8mm; Cutting Diameter: 1/2 Inch (12.7mm); Cutting Length: 50~76mm; Total length: 97.5~123mm FEATURES---The router bit is made of cemented carbide for high hardness and long service life; The main function is trimming, three-dimensional clearance angle, slotted APPLICATION---Top Bearing Router Bit Set Cuts all compostion materials, MDF, solid wood, particleboard, plywood and so on PACKAGE INCLUDED---3pc 8mm Flush Trim Router Bit Features: 1. Sharp edge, high hardness, high-grade welding, stable quality, high efficiency 2. Solid hardened steel bodies with Anti-Kickback design provides increased strength and utmost resistance 3. Totally enclosed and lubricated 4. Top and Bottom Bearing Routeur Bit is perfect for all your large stock trim applications 5. This bit can be used with either a top or bottom template. Especially useful for template work when routing rounded or curvy wood with sensitive end-grains