Product Description: Quantity: 2 sets Package Content: Piece of stainless steel gauge sheet metal, 1 piece of round double sided gauge sheet metal to fill. Material: Made of high quality stainless steel, rust resistant, anti-corrosion and durable and inspirationable products. Practical tool: Wide application, easy to carry, meet your different needs, save time and material. Clear scale, numbers are clear which is easy to read. Size: Double Sided Round Wire Gauge: 0-36 US standard; sheet metal thickness: 24GA (.0239), 22GA (.0299), 20GA (.0359), 18GA (.0478), 16GA (.0598), 14GA (.0747), 1/8" (.0125), 10GA (.1345) , 3/16" (.1875), 1/4" (.250), 5/16". (.3125), (.024"), (.030"), (.035").