Built for high-volume shops, the Coats 70X-3 Tire Changer, from Hennessy Industries, features a single point sealer that concentrates air flow to seal the beads more efficiently and eliminates excessive maintenance. The patented Robo-Arm Helper Device assists in efficiently changing low profile or run flat tires. The Coats Hybrid Duckhead Mount/Demount Head is a two-piece design combining the advantages of both traditional plastic and metal mount/demount heads. The 70X-3 is durable and reduces the risk of wheel damage.