Features: This is a plastic mount and demount head used on many tire changer machines. Using plastic mount heads is much safer for delicate and expensive wheels yet durable enough to withstand the stress of larger tires and wheels. It prevents wheels from scratching and damaging when clamping wheels from inside clamps. Made of high strength PA66 plastic and 45 steel material, quality and performance guaranteed. With smooth surface to reduces friction, it is very easy to use. Specifications: Material: PA66 Plastic + 45 Steel Color: Black Installing Hole Diameter: 30mm/1.18" Package Weight: approx. 520g Fitment: Fit for HOFMANN, GIULIANO, CORGHI, Cemb, RAV and Sice Package Included: 1 x Tire Changer Mount/Demount Head Notes: 1. Please check our photos with measurements to make sure it fits your machines. 2. It is easy to install, but professional installation is highly recommended.