The Sherline 1041 2.5" 3-Jaw Self-Centering Chuck Lathe is a durable and reliable tool designed for precision work in lathes. With a 3/4-16 thread mount, this manual chuck ensures a secure grip on your workpiece. The self-centering feature allows for easy and accurate setup, making it a valuable addition to any workshop. The Sherline brand is known for quality and craftsmanship, making this chuck a dependable choice for professionals and hobbyists alike.