JARKE Standard-Industrial Grade Cantilever Racks are ideal for storing light bar stock, tubing, lumber, or other lightweight materials that can be easily damaged and must be kept off the floor. 7', 8', and 10' heights. 12-gauge steel. Arms adjust on 3" centers. Assemble as either a single rack or a continuous unit consisting of any number of uprights. Includes hardware. Ships unassembled. Made in USA.