Description: High-grade welding, stable quality, high efficiency. Using for kinds of woodworking. Totally enclosed and lubricated . Carbide Tipped - Micro grain grade provides increased strength and utmost resistance. Made of high quality metarial, durable and stable. Specification: Material: Alloy Color: Grey and Silver Shank Diameter: Approx. 8mm / 0.32inch Blade length: Approx. 30mm / 1.18inch Bearing Diameter: Approx. 14mm/0.55inch Overall Length: 75mm / 2.95inch Type: 4 Teeth Wood Router Bit Package Includes: 1 Piece 4 Teeth Wood Router Bit Note: Please allow 1-3mm error due to hand test