Two compartments – smaller and bigger. Open design provides for quick tool recognition, tools are organized and easy access to bigger compartment is very good still. Universal tool loop holds your bigger tools snug so it is always handy when need it. Stainless steel metal hammer holder swings to keep tool at a comfortable angle. Knife slot holds any common utility knives so it is always handy when is necessary. Screwdriver holder provides convenient storage. Necessary equipment is close without coming off the roof or down from a ladder. Made from strong 600 denier polyester and black high grade leather. Visible HERZ logo on the front. Riveted for truly industrial strength with galvanized washers top and bottom.