Features Product Features: Straight and extended shank, suitable for deep processing, which solves the need for deepening processing. Easy to Use: The nut can direct tighten, high rigidity and strong clamping force. Improve Efficiency: ER16M-150L collet chuck holder can reduce the use of extension tools, which can reduce costs and improve efficiency. High Strength and Durability: The extension rod straight cnc milling tool holder has fine workmanship and precision manufacturing, high reliability and stability. Good Replacement: Straight collet chuck holder CNC milling lathe ER16M collet is a good replacement part for the old one. Specification: Item Type: Collet Chuck Holder Model: ER16M-150L Material: Chrome-molybdenum alloy steel Optional Chuck Rod Diameter: 10, 12, 16, 20, 25mm Applicable Chuck Model: ER16M Shank Length: Approx. 150mm / 5.9in Package List: 1 x Collet Chuck Holder Note: 1. Due to manual measurement, there are slight errors, thank you for your understanding. 2. The color of the product head is shipped randomly. 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. Package List 1 x Collet Chuck Holder