1、STACKED AND HEAT RESISTANT PTFE COATING: Good quality alloy tools with stacked and heat resistant PTFE coating, brazed for maximum strength 2、NON REBOUND DESIGN: Rugged hardened steel body with non rebound design to ensure safe installation, CNC balance and good quality guide bearings 3、CUTTING ALL SYNTHETIC MATERIALS: Very suitable for making glass doors with a reversible milling cutter, cutting all synthetic materials, plywood, hardwood and softwood 4、APPLICABLE MODELS: Suitable for electric wood milling, engraving machine, engraving and milling machine, trimming machine, computer engraving machine, and vertical trimming machine, very versatile 5、LONG SERVICE LIFE: Woodworking router bit adopt excellent material, hard, sturdy, and durable, can be used for a long time