Responsibility for any amount of weight from a manufacturing and/or handling perspective has always been predicated upon destruction testing. We are seriously committed in our dedication to excellence and operate 75 ton and 300 ton, in house, test machines certified annually to the ASTM E4 standard.Our Tool Bags provide the greatest value for your purchasing dollar.TorqHoistTool Bags feature robust, vinyl materials that do not crack and break from being folded or creased. Heavy weight, 28 oz. materials are considerably more expensive than paper thin materials used by others. Rest assured, supposed savings from “economy” Tool Bags is easily overshadowed by the long lasting quality and durability of aTorqHoist Tool Bag.