Constructed from bi-metal, this hex arbor is designed for multipurpose hole saw applications. It features a 7/16 inch diameter and includes a bit and nuts for easy installation. The arbor requires a minimum chuck size of 3/8 inch, making it compatible with a variety of drilling tools. With a drilling depth of 2.375 inches, it provides versatility for different projects. This tool is ideal for those looking to enhance their drilling capabilities.