The Vevor 10" 4-jaw lathe chuck is built from HT300 cast iron for durable performance in metalworking, drilling, and milling applications. Its hardened jaws and scroll plate provide strong clamping force, wear resistance, and dependable operation over time. The chuck supports both internal and external clamping across a wide range of workpiece sizes. A compact design and included T-key help make installation and operation straightforward.