100%brand new and high quailty<br /><br />Baby material: imported green copper inlaid AAA grade Swiss drill allergy!<br /><br />Surface treatment: high-quality nickel-free plating really platinum? anti-allergic lasting shiny shiny<br /><br />Product Specifications: 6 #  7 #  8 #  9#<br />6 # - inner diameter 1.6 cm<br />7 # - inner diameter 1.7 cm<br />8 # - inner diameter 1.8 cm<br />9 # - inner diameter 1.9 cm<br /><br />Color: gold<br /><br />packing:1pcs<br />