The Vevor 6" 3-jaw self-centering lathe chuck is built for accurate and reliable holding in machining, drilling, and milling applications. It features HT300 construction with hardened steel jaws and scroll for strength, wear resistance, and long service life. Internal and external jaws provide a wide clamping range for handling different workpiece sizes. The self-centering design helps reduce setup time and supports precise, consistent operation. T-key fixing screws and reversible jaws add convenience and versatility.