Made of hard steel with high strength and hardness, which can be used on CNC machines, suitable for plate cutting, hardness insert used for steel material. Features: Fine durability, long service life. Smooth surface, comfortable feeling, nice appearance. Antitrust accuracy ground and hand inspected. Cleanness better, accuracy stable. Used for milling cutter of 400R 50-22, etc. Used for plate cutting, hardness insert used for steel material. Made of tool steel hardened has high strength and hardness. Specifications: Type: MT3-FMB22 Material: Hard Steel Accuracy: 0.005 Angle: 90 degree Arbor Size: 145 * 50 * 40mm / 5.71 * 1.97 * 1.57in Cutter Size: 50 * 40 * 40mm / 1.97 * 1.57 * 1.57in Drawback Hole Size: 22mm / 0.87in Package Size: 150 * 110 * 70mm / 5.91 * 4.33 * 2.76in Package Weight: 980g / 2.16lb Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 0-30mm. Package List: 1 * MT3-FMB22 Mill Arbor 1 * 400R 50-22-4T Face Cutter 10 * Square Carbide Insert 1 * Wrench