These and tons of other Quality Merchandise I have on my floor need to go. I have so much tooling, Parts, and Machinery that needs to find a new home. Let these beautiful set of jaws become Your set of beautiful hardened top jaws. The pics should show you all the dimensions that you need. Check out my other listings for more great deals! I think these may be Warner and Swasey Top Jaws but the only Markings are numbers.