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  • Q.What is the default (initial) password for combination locks?

    A.XD Series: The password is indicated on the sticker attached to the back of the product.
    X Series: The default password is “0000”.
  • Q.Which combination lock models allow password changes?

    A.Password changes are available for the X Series, XD Series, and BIKE Series (NO90 / MN / ZK1190 / ZK1290 / ZK3112).
  • Q.Are there rust-resistant combination locks suitable for outdoor use?

    A.The X50, X50L, and X70 models from the X Series feature corrosion-resistant functionality.
  • Q.Where are master key locks typically used?

    A.Master key systems allow administrators to open individual locks when necessary while maintaining personal security.
    They are commonly used in schools, government offices, hotels, and industrial facilities.
  • Q.When are keyed-alike locks recommended?

    A.Keyed-alike locks are ideal when one person manages multiple locks, minimizing the number of keys required.
    They are commonly used for electrical panels, warehouses, and clothing collection bins.
  • Q.Which ZARKER long shackle locks are suitable for doors, warehouses, and metal gates?

    A.For combination locks: XD40L and X50L.
    For laminated steel padlocks: N45L.
  • Q.What is the most important factor when purchasing a padlock?

    A.The inner diameter (thickness) and length of the door shackle are critical.
    Even if the overall size is appropriate, installation may not be possible depending on the shackle thickness and length.
  • Q.What is the cutoff time for same-day shipping?

    A.Orders placed before 3:00 PM are shipped the same day.
    Orders placed after 3:00 PM will be shipped the following business day.
    (Courier: Logen Express / Freight: Daesin Freight)

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