ReFaXi&Acirc; 20 Pcs Badge Hat Pin Silver Tone Metal Tie Back Lapel Butterfly Clasps Fastener 20pcs Silver Tone Butterfly clasps, ideal for badges, tie, hat and variousfixings Great replacement for lost backs badges, name tags etc.. Size: Approx:11mm( 3/8") Dia. Hole size: 1.4mm Thickness: 5.3mm( 2/8") Sexy Sparkles 20 Tie Tac Lapel Pin Squeeze Clutch Back Backings For Brooches Pins Round Silver Tone Size: Approx. 0.46*0.46*0.23 inch / 1.17*1.17*0.58cm