This is a Chassis Tech 3800lb Capacity 500psi Air Bag. In action it extends 12.00" and will collapse to 2.8" & has a diameter of 8.5". This Heavy Duty Bag has a single 1/2" port and is designed to supply you with many years of worry free performance! Use this bag for bigger applications, 1/2 ton - 3/4 ton.

(Lifetime Warranty On All Bags)