The Vevor 3-inch 4-jaw self-centering lathe chuck is built for precision clamping in metalworking, drilling, and milling applications. Made from HT300 cast iron, it features hardened jaws and scroll plate for durability, rust resistance, and long service life. Its compact design supports a wide clamping range for handling different workpiece shapes and sizes. The chuck is designed for reliable, high-precision performance and straightforward installation with the included T-shaped tool.