This is a very good box for the money and it is lite, reasonably strong, and lockable. The description measurements seem to be accurate and it mounted well. I do think it would need some type of support on the bottom. I bolted mine down to the expanded metal carrier on my trailer tongue with 4 stainless steel bolts with lock nuts. The box is very solid mounted this way. It is exactly what I needed. Mounting bolts are not included.