... ,Chrome plating 3.Fine workmanship 4.Factory price High quality copper faucet accessory Product detail: 1.Material: ... processing quality control;100% inspection before shipment. 9.Inside packing: Plastic bag,Bubble bag; Outside packing: ... plating etc.5.Inspection tooling:Outer micrometer, inside micrometer(machine),digimatic micrometer, internal micrometer, mechanical caliper , vernier caliper , ...