M-D Building Products 57083, Mill This item is a M-D Building Products 57083 2-Feet by 3-Feet .020-Inch Thick Union Jack Aluminum Sheet Purpose of use for Hardware, solid-rivets This product is manufactured in United States .020-Inch thick Easy to cut, form, and fabricate Can be cut with tin snips Use sheet metal screws or rivets to attach to other materials Aluminum finish