Natural White Turquoise Marble Handle & HooksCabinet knob: M4X25mm screw Hook: M6X30mm plastic expansion bolt+M4X40mm hook screw Note: Each natural crystal stone is unique, and may differ in different size or color, please pay attention before purchasing. The brass part is original and not painted. If you mind, after oxidation you can directly wipe it with vinegar, metal paste, or sandpaper, all of which can make it look new.