Color classification
Black frame 50 pure black rock plate (round)
Black frame 50 pure white rock plate (round)
Rice White rack 50 pure white rock plate (round)
Rice White rack 50 bright surface fish belly White (round)
Black frame 48 pure black rock plate (square)
Black frame 48 pure white rock plate (square)
Black rack 48 bright face fish belly White (square)
Rice white frame 48 pure white rock plate (square)
Rice White rack 48 bright surface fish belly White (square)
Black rack 50 bright surface fish belly White (round)