... Advantages:1. Self-design digital display part, have application for patent, and tested by the market that it is with ... an inside micromoto.2.Gravity casting solid brass body, ceramic cartridge, zinc-alloy handle, chrome finsih. 3.High-class workmanship, ... process is controlled strictly. 4.Contains Drip-free Sedal Ceramic Cartridge, which for drip free operation (600, 000 times operation tested) ...