Pressure-Pro.com is an expert in the manufacture of high quality aircraft grade aluminum carts and skids. Carts have at least 2 wheels and skids have 4 rubber feet. All manufacturing is done in Fort Pierce, Florida at the same location our machines are built, so quality control is closely watched. Aluminum is light weight, rust and chemical resistant, and it dissipates heat quickly. The axles on our carts are all 3/4" cold rolled steel so you never need to worry about bending or breaking. All our frames carry a lifetime warranty against defects. Most carts and skids are bolted together with quality hardware and have no welds to crack or break. If you don't see what you need in our catalog, ask us, we may have what you need or can make it.