... High quality copper faucet accessory 1.Material:Copper 2.Nickel ,Chrome plating 3.Fine workmanship 4.Factory price High quality copper faucet accessory Product detail: 1.Material: Copper ... be checked carefully before production;.Strict processing quality control;100% inspection before shipment. ... , vernier caliper ,caliper(digital),caliper(machine),caliper(dial),diameter scale, depth micrometer, ...