... , gold, brass, chrome, zinc, spray paint white ,black, gold color, and etc.3, Products specification:2" , 3" , 4" ... is the key", exploit for unlimited brand of "nine sun". Let the friends who cooperate ... is the dream and pursuit of our "nine SUNS".Specializing produced various kinds of materials row hinge, piano ... can inquire or conversation online. supplying all kinds of door & window bolt,brass bolt