These small spots are triangular in shape and are made of plated steel. Antique/dark brass finish. These are about 3/16″ along each of the three sides, and the prongs on the back are only about 1/8″ long.  Useful when attaching to thin leathers or fabrics only. DEC-904  Antique Brass Tiny Triangle Spots or Decorations for Thin Leather or Fabric