Marketing InformationThe KLEIN TOOLS® Tradesman Pro™ ironworker and welder backpack's exterior is made of flame-resistant 1680d ballistic weave and leatherette materials for durability. This 27 pocket tool bag fits a 24 to 36 in connecting bar, welding helmet and hard hat, has storage for additional tools, gear and safety equipment and has a weight capacity of 50 lb (22.7 kg). This tough backpack with fully molded bottom, aircraft cable reinforced handle and hard front pocket was designed with the professional ironworker and welder in mind.