Owned by industrial, mechanical, manufacturing and auto body shops, the Astro Pneumatic Portable Folding Work Stand 500 lb. Capacity is very useful to have. This product is perfect to hold a bumper, door, fender, or hood while you work on or shapethem. This product can stand up to a variety of demanding tasks. This lightweight, portable work stand weighs only 16 lbs, but the tough construction is capable of holding anything up to 500 Lbs. Since it is extremely lightweight, you can hang it on a wall or store it in a small space, which makes this stand ideal for small garages and body shops. You can adjust the height of this auto body work stand from 33" to 40" to allow you a comfortable working position. The steel tubing has a diameter of 1" (28mm). The durable steel tubing construction has a rust proof coating, and it also has a 1/2" foam padded top. This foam padding secures the bumper, door, fender, or hood well and guards them against scratches. The chains provided in the middle help in adjusting the table's width. The rubber leg caps are skid-proof to keep the portable folding work stand balanced and positioned in place. This sturdy body shop work stand is very easy to assemble.