Appears to missing drawbar, see pictures of back of Chuck

This Kitagawa B-206 Open Centre Power Chuck CNC Lathe Chuck is a high-quality workholding chuck designed for efficient and reliable operation. With a mount of A2-5 and three jaws, this hydraulic chuck is perfect for your CNC, metalworking, and manufacturing needs. It is a top-of-the-line chuck that will help you achieve superior results in your workholding and toolholding projects. Whether you're a professional or a DIY enthusiast, this chuck is a must-have for your workholding needs.