General description These 4Pcs 8mm Woodworking Router Bit Copy Cutters are designed for precision and efficiency in woodworking tasks. Made from high-quality materials, they ensure smooth operation and durability, making them ideal for both professional and DIY projects. Technical specifications Shank Diameter: 8mm (3/4") Cutter Heights: 20mm, 25.4mm, 38.1mm, 50.8mm Body Material: Solid Hardened Steel Blade Material: Industrial Grade Micro-Grain Carbide Usage These router bits are suitable for various applications, including: Cutting and engraving on wood, MDF, particle board, plywood, and other compact panels Forming wooden doors with precision and smooth cuts Other information The simple structure of these router bits makes them easy to use, providing convenience for daily carpentry work.