Material: The vintage door handles are made of high-quality zinc alloy, strong and sturdy, with corrosion protection. Vintage Retro Style: The butterfly-shaped knobs and exquisite retro pattern will decorate your room with antique charm, taking you back to bygone eras and allowing you to experience the cultural atmosphere of that time. Application: The butterfly-shaped knobs are suitable for interior doors, cabinets, wardrobes, bookcases, drawers, kitchen cupboards, etc. Easy to Install: Mounting screws are included in our package. Simply drill two holes in the door or other furniture to attach the handle and the furniture with two screws.