100 Lot Stainless Steel Silver Tone Flat Base Pad Earring Make DIY With Rubber Earnut Stoppers Posts Studs Back Blank Findings (3mm diameter) Material : Stainless Steel Plated pin + rubber Earnut Stopers back Approx. size : 12 mm pin length / Diametre: 3mm,4mm,5mm,6mm,8mm Inclube: 100 pc ( pins + backs)