Durable JUSTRITE Aluminum Cylinder Storage Lockers are a great choice for outdoor storage of cylinders and LPG containers. Heavy gauge mesh and extruded frames are constructed of heavy .081 non-sparking aluminum that is 58% thicker than other models. Sloped roof sheds water and ice and the entire unit will not rust, discolor, or corrode. Pre-drilled corners accept 1/2" bolts for anchoring. Includes padlock lug and information labels. Made in USA.