This SMITH TOOL SG15 COLLET Chuck is a high-quality tool designed for precision machining in metalworking. It features a 2″ shank diameter 8″ Length and a deep maximum of 11.220″, with a deep minimum of 3.770″. The collet side is SG15, and the nut diameter is 3-1/4. The adapter/holder type is an end mill holder, and the shank type is a collet. The capacity ranges from 0.500″ to 1.500″, making it suitable for a wide range of applications. This tool is manufactured in the United States and is ideal for those in the CNC, metalworking, and manufacturing industries. Check out our Store. I will send your order within 1 days. When you receive the package and are satisfied with our products. Please leave a comment. Thank you for your business.