Premium Material - Our wire gauge measurement tool are made of high quality stainless steel, it has anti-rust properties. long term to use. Package Include - Package Include 1 piece of round dual sided wire gage and 1 piece of metal sheet thickness gauge.with very clear numbers and letters.avoid unnecessary errors. Size Detail - Dual-Sided Round Wire Gauge: 0-36 American standard; Wire Sheet Thickness Welding Gauge: 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"). Practical Tool - They are profesional tool, use the gauges tool to determine the thickness of the material before working. saving time and material, help you accurately correct. Wide Application - Dual-sided round wire gauge can gauge plate iron and steel, leather, paper, wood. wire metal sheet thickness welding gauge can check metal sheet wire size before welding or working.