Material: Brass size:about 1"(25mm ) hole:about 1.5mm thickness:about 1mm inner diameter size:about 16mm Please allow1- 2mm error due to manual measurement and make sure you do not mind before ordering. color: 10227050-RAW 10227051-Nickel 10227052-Plated Golden 10227053-Rose Gold weight:84 grams quantity:10pcs