Standard letterbox locks made of steel, high quality chrome metal alloy Cam locks for letterbox sheet metal doors. sequin bucket 25mm body length Comes with 16 keys and 8 pieces of camshaft barrel Suitable for most mailboxes, drawers, cabinets, cupboards Mailbox Description: Material: Aluminum Alloy. Body length: 25mm. Small and safe: suitable for mailboxes, drawers, cabinets. Delivery includes: 8 * standard mailbox locks (each lock has the same key) 16 * keys. Note: The data is all manual measurement, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object received Delivery Quantity: (according to the main image)