Hardware: Our threshing cam lock is made of zinc alloy material, strong, precise, safe, and durable. Cabinet lock setting: The initial password for the code lock is 000, with 1,000 possible combinations. You can change the password yourself. No screws are required for installation—install the lock directly onto the housing. When changing the password, keep your finger on the code hole until the process is complete. Lock for letter boxes: Offers multi-coded locking options for cabinets of different thicknesses. If your cabinet is thicker, consider purchasing an extra-long spring bolt for compatibility. Installation: Suitable for barrel boxes and mailboxes. No screws needed—easy to install. Application: Ideal for toolkits, cabinets, drawers, mailboxes, school lockers, or other keyless locking applications. Have you ever been frustrated by losing keys and being unable to open a lock? With our coded lock, you eliminate that problem. This code lock is suitable for various cabinets. No keys required—convenient and practical. Features: Condition: Material: Zinc alloy Lock surface diameter: Approx. 31.6 mm / 1.24 inch Extended spring bolt size: Approx. 49 x 17 mm / 1.93 x 0.67 inch Style options: 1. Code lock for iron sheet cabinets with thickness 0.5 ~ 9mm 2. Code lock for wooden cabinets with thickness 12 ~ 16mm 3. Code lock for wooden cabinets with thickness 17 ~ 23mm Package weight: 10 ~ 110g Included: 1 x Wardrobe lock Note: If your cabinet is thicker, please purchase an extra-long spring bolt separately for proper fit.