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

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

Maintenance: Do not use detergents, caustics, or chlorine liquids to clean 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 being shipped.

Measurement method for knobs-locks: For our plate knobs, we are interested in dimension C.