Features: 1. Surface more smooth, feel comfortable, appearance nice. 2. Improve the hardness and durability of the surface. 3. Made of high-quality steel, durable and long lasting 4. Better cleanliness and stable accuracy. 5. Can be used for sheet metal cutting, non-hardened blades for steel. Specification: Condition: 100% Brand New Item Name: Mill Arbor Holder Material: Steel Traction Line: M12 Bracket End Thread: M12 Overall Length: Approx. 138mm / 5.4in Connecting the Milling Cutter Shaft Groove: 22mm Optional Type: MT3-FMB22, MT3-FMB27 Package List: 1 x Mill Arbor Holder Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.