Features: The copper material has a harder strength, does not deform, does not break, and is durable Carefully selected and aesthetically pleasing Smooth and shiny surfaces Exquisite craftsmanship with abundant materials Experience high pressure pumping like never before Specifications: Material ：Copper Size: approx 10mm/0.39in Base Diameter Quantity：1PC Package Includes: 1PC Pump Value note: Due to manual measurement, please allow an error of 0-1cm. Please make sure you do not mind before bidding. Due to the difference of different monitors, the picture may not reflect the actual color of the item. Thanks!