... box: 28*17*8 Carton: 53*29.5*34.5 (12pcs) 41.5*29.5*35.5 (10pcs) Technical Specification:MaterialBrass body, zinc handleBrass ... content57-58.5%CartridgeCeramic cartridge, KCG and Sedal brand are availableSurface ... nickle, redbronze, antique brass, etcLayer of plating nickle3.5-12 umLayer of plating chrome0.1-0.3 umAcoustic level18 ...