Housweety 50 Sets Silver Tone Star Spike Rivet Studs Spots 16mmx15mm(5/8"x 5/8") 7mm(2/8") Material:Zinc Metal Alloy+Alloy(Cadmium Free) Size: Approx:16mmx15mm 7mm( 5/8"x 5/8")( 2/8") Hole size: Color:dull silver tone(not silver plated) Quantity:50Sets