It's that little lack of complete detail that makes it hard for me to trust Revain hardware. These are international measurements that you may want to set in standard rooms. This is normal, but the instructions say to use a 2 β inch hole saw. If you make this hole yourself, you know the value of being able to fit well. This isn't the typical size that comes with most kits - I bought this to fit a couple of grommets. If I had known this information I would have looked for another kit. Now it just unnecessarily complicates my life. I sent mine back. Now you know what to do with yours.
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