I’m attempting to identify this chair so that I can order some replacement parts. I’ve had this chair for a long time maybe 15 – 20 years maybe more. I replaced a couple of parts about 10 years ago. The only identifying mark I can find is the tag in the photo below. As you can see the manufacture is Office Master, Inc. I’ve visited their web site and the do have replacement arms. I need help identifying the arms that will fit this chair.
The failing component is the rotary button used for raising and lowering the arm rest shown in the photo below. I think I will need to replace the entire arm rest.
Here is a photo that might help identify the model of the chair.
Cliff Crabtree 
I think I have the same model chair. Here’s the tag on the bottom. I hope that this helps.
Larry
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I think OM stands for Office Master
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Larry,
Thanks for your reply.
Could be a little more specific about where “Here” refers to?
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I sent a picture to your email address….
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Did you get your chair repaired?
Larry
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