NAILHEADS - SPOTS - STUDS: SIZE 20/107 Round with Six Facets Gold Finish - 100 PCS - 4 Prong - 4.5MM&hellip; Made in the USA! Highest Quality: Made of Brass (Not Steel).Safe for Clothing, will not rust. (Beware of cheaper steel spots which can rust and ruin your clothing). 100 Nailheads. Size: 20/107. 4.5MM Easily set by hand on fabrics using a spoon or other handtool. Color: Gold