The HERCULES™ 51 pocket Extreme Duty Jobsite Backpack is constructed from super-tough, puncture and abrasion resistant fabric for maximum strength and durability. 51 pockets keep pliers, snips, wrenches, screwdrivers and other hand tools easily accessible. This backpack features a hard molded bottom that protects tools from water and impact. The padded shoulder straps let you take a load off during transport and the carrying handle is reinforced with an extreme duty braided cable that won't stretch or tear.