Description: 100% New and High Quality 1 Year Warranty Easy to install, Direct replacement Type:Tire Machine/Changer Mount Head Material: Nylon+Plastic Quantity: 5Pcs This head for coats machines with a tapered hole on the end of the plunger shaft that the head attaches to. This is a set of 5 aftermarket replacement plastic mount demount heads are designed for Coats tire machine / changers. .