DUO key
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DUO key

DUO key

In Stock
Unit Price
1 - 9
10 - 49
50 - 99
Quantity price adjusts in the cart. For higher volume, call us for inquiry
  • Key Cut: There are multiple key code options, please let us know your key code to be cut.

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Illinois lock / Northeast Lock DUO replacement key. There are multiple key code options, please let us know your key code to be cut. This is for regular DUO key. Please buy DUO master key through related link at bottom of this page. 

Note: we cannot cut M2XX series key code with range from M200 to M499. They are restricted to Knaack. Please call 815-459-6020 to order them.
Multiple Illinois Duo keys
Order arrived fast and all keys worked perfectly.
Reviewed by:  from AZ/USA. on 5/19/2023
Great Product
great Service great workmanship
Reviewed by:  from Gulfport, MS. on 9/12/2022
DUO key replacement
So happy to see this type of key (and code) is still available. I have been rebuilding a couple of all mechanical vintage slot machines and had one of these cabinet keys get sheared off recently. I am so used to disappointment when trying to source original parts that I almost didn't even start the hunt for this odd type of security key. I found Ultimate Security Devices online and ended up calling to confirm their easy-ordering method was really going to get me the key i needed. WOW! The agent I spoke with really impressed me. He was fast, knowledgeable, and just excellent. He confirmed my key code was still on record which just blew my mind. I got the keys quickly and they work perfectly. HIghly recommended!! Thanks again!!
Reviewed by:  from rocklin, ca.. on 3/1/2021
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