Material: Alloy Size:30*60mm Inner size: 20mm Please allow 1- 3mm error due to manual measurement and make sure you do not mind before ordering. Color:Antique Silver Note:Due to variations in monitor display, the color of products may slightly be different when received in person. We do our best to take photos so that they appear true to color. weight: 10294550-109 grams 10294551-121 grams Quantity:10pcs