Material: The construction material is 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, caustic, or chlorinated 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 checked for quality and functionality before shipment.