1、NICKEL PLATING LAYER: This collet chuck holder has an uniform nickel plating layer, which can resist corrosion while maintaining tight pulsation. Nickel plating is also very robust and can prevent wear, allowing this bracket to maintain longer accuracy during use. 2、ACCURATE CARVING: Premium dynamic balancing system, good concentricity, premium carving accuracy, can improve carving efficiency. 3、FINE WORKMANSHIP: Expertly crafted in standard size, this CNC collet chuck holder ensures tight fit with your equipment and no damage to your machine during use. 4、WIDE APPLICATION: This collet chuck holder is widely used for CNC lathe, textile machine, woodworking machinery, mechanical manufacturing, etc. 5、IDEAL REPLACEMENT: Wonderful replacement for the old and damaged parts, fine workmanship, attention to details, helps you improve the working efficiency!