Yes it is......I went online to see if I could match what mine looked like to others posted and I think it is a Sentry safe 1160 if that helps you. I do not know my lock number though.
Hi again, and thanks for your helpful reply.If it is made by Sentry, the only way to order a set of replacement keys is from the manufacturer and by visiting the site below and following all the instructions: http://www.sentrysafe.com/CustomerCare/Need_A_KeyIf you don't know your lock number, you can call Sentry Customer Service at: 1-800-828-1438 Hours are Monday - Friday, 8am - 6pm ESTThey will help you find your lock number and serial number if you don't have those.
If you need the security chest opened right away, they offer expedited processing, and can have it to you within 2 business days, as you can see on the webpage I included.I wish you much good luck with your security chest and hope you receive the keys from the manufacturer in a timely manner and without any problem.
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If you have any further questions about this issue, just click 'Reply' and I will be here to continue to help.Warmest regards,Cher