If you need to request replacement keys, please click the link: https://grimtrons.com/pages/replace-keys,
fill out the form, and click “Submit” to complete the payment.

After that, please provide us with the following information:

1.A screenshot of your purchase record (including the order number)

2.The serial number (a combination of letters and numbers)

3.The keyhole number

Note: If you can't find the serial number or keyhole number, feel free to contact us — we’ll be happy to provide you with sample images for reference.

Once we receive all the above information, we will arrange the key production for you.