3 Stage Aluminum air bottle jack. The best jack you can possibly find for the off-road racer. Made from 6061-T6 Aluminum and CNC machined for the best possible quality makes this jack kit the ultimate in quick use. Even for the heaviest trucks this will do the job. We used one on our Ford F250 Stock Full race truck that had a total weight of just over 7,000 LBS race ready. Uses Co2 tank and standard regulator. Can use super small aluminum Co2 bottle or you can plumb in a power tank style large bottle. Works with all. Uses an on-off-dump 3 way air control valve. Made to order so allow 4-6 weeks delivery time. Comes in raw aluminum finish. Can be anodized any color on special order.