For sale is a Set of 3 Aluminum CNC Lathe Chuck Jaws 3.75" x 3" x 1.5" MAKO 0.55" width between rows of bottom ridges All measurements are approximate. We have many sets of lathe chuck jaws for sale. You can browse through our eBay store to see all the different sets that we have for sale. We welcome bulk purchases and can combine the jaws into flat rate boxes for cheaper shipping.