Features: 1. ER straight extension rod, long shaft, suitable for deep hole machining. 2. Straight-type handle body for holding small drilling, milling tools. 3. You can reduce the use of longer tools, which can reduce costs and improve efficiency. 4. Stable diameter, other parts have been accurate ground to eliminate imbalance. 5. Durable, high accurate, tighten the nut straight, high rigidity, strong clamping. 6. Mainly used for various types of drilling and milling machine, spindle Morse taper machine. Specification: Condition: 100% Brand New Item Type: Collet Chuck Holder Material: Carbon Steel Model: MT4 ER32 M16 Shank Type: MT4 Collet Type: ER32 Traction Line: M16 Wrench: Approx. 22cm / 8.7in Package List: 1 * Collet Chuck Holder 1 * Wrench 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. .