CEMB SM825 AIR is a heavy duty air powered semi-automatic swing arm tire changer suitable for car and light commercial vehicle, clamping range 13 inch - 24 inch, dual clamping cylinders. This CEMB SM825 tire changer is best suited for high volume shop. With CEMB's SM825 you get CEMB high quality at a low price. Comes fully assembled. Air Powered (requires compressed air) Semi-Automatic locking swing arm Dual table clamping cylinder with value-added specifications Dual-stage inflation system with safety limiter and bead blaster build into the clamping jaws Custom mount/demount head replaceable plastic inserts to protect wheels Adjustable bead breaker shovel Optional high-performance press arm Comes fully assembled.