... crystal lapel pin with nickel plated 1)material:zinc alloy 2)Technics:Die casting with crystal 3)plate:nickel fashional round crystal ... lapel pin with nickel plated (BS-JL-LP-12132 ... Designs and logos as per customers' request5) Plating: nickel, anti-nickel, black nickel, brass, anti-brass, copper, anti-copper, gold, ...