You apply to new locker key how to write letter to HR in your locker key missed?

Subject: Request for Replacement Locker Key

Dear [HR Manager's Name],

I hope this message finds you well. I am writing to inform you that I have misplaced my locker key and kindly request a replacement. If there are any forms or procedures I need to follow for this process, please let me know. Thank you for your assistance.

Best regards,
[Your Name]
[Your Job Title/Department]
[Your Contact Information]