Material: Zamak (an alloy of zinc, aluminum, magnesium, and copper).

Packaging: Includes the knob, connection pin, and screws for attaching the knob to the door.

Maintenance: Do not use detergents, caustics, or chlorine liquids for cleaning the products. A dry cloth or plain water is sufficient to keep the product in excellent condition.

Quality control: All products are inspected for quality and functionality before shipment.