QUANTITIES: 60Pcs SIZE(Approx):6.7x3.7mm hole:3.3mm COLOUR: dark silver tone Material:Zinc Alloy Metal(lead free) Converse: 1 inch = 25.4mm (Contact me if you need larger quantity. thank you!!) Shipping method: The order will be mailed out from Hong Kong within 2 business days after getting payment. We will include registered mail for orders > $50 with signature confirmation and tracking No. which is a highly recommended option or if your order is <$50 and need a registered mail, we can include this service for additional $2, please inform us if you need this service. Note:After finish your purchases ,please leave us your telephone number with your address.So that post officer deliver your package.