Silver Tone Lobster Swivel Clasps For Key Ring Key Chain 3.8x1.8cm (1-1/2"x3/... Quantity: 20PC Size: 3.8cm x 1.8cm (1-1/2"x3/4"), Thickness: 6.5mm(1/4") Material: Zinc Metal Alloy+Alloy(Cadmium Safe)