Electroplated blanks - white, yellow or red surface:
steel plated with nickel, brass, bronze or copper
Clad blanks - combination of different materials
by cladding
Solid metal blanks - all possible copper based,
nickel based or aluminum based alloys; stainless steel
Bi-Color blanks - combination of different solid metals, electroplated or clad materials. Cores and rings delivered separately or preassembled.
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