This 43 piece Master Bolt Grip Set by Cornwell is a must-have for any mechanic or DIY enthusiast. The set includes a variety of tools to help grip and remove bolts securely without any hassle. The manufacturer part number for this set is OW-C6501 and it comes with no warranty. The set is made up of high-quality materials and is manufactured in an unknown location. It is sold as a unit and comes with one unit quantity. This set is perfect for those who need to work with bolts on a regular basis and want a reliable and efficient tool to help them out.