Feature: 1. PTFE Coating: Heat resistant PTFE coating is used to prevent the accumulation of sawdust, resin and spacing. 2. Retraction Resistance Design: Solids hardened steel body, retraction resistance design, high accuracy, special impact resistance, sturdiness and durability. 3. Application: Widely used for woodworking tenon, woodworking plywood, an ideal tool for making wooden barrels and buckets. 4. Tungsten Carbide Blade: The tungsten carbide blade can smoothly cut into materials, resulting in clean, non debris. 5. Excellent Abrasion Resistance: Excellent abrasion resistance and long lasting performance can achieve maximum strength and durability. Specification: Item Type: Octahedral Tenon Router Bit Material: 45 Steel + Tungsten Carbide Uses: Used for woodworking tenon, woodworking plywood Surface Coating: PTFE Coating Shank Type: 1/2in Round Shank. Package List: 2 x Octahedron Tenon Milling Cutter Note: 1. Please avoid cutting metal and non wood materials such as steel, iron and sand.2. The body of the milling cutter is 45 steel, please keep away from water to avoid rust.