Hi Badgerscott,
Thanks for reaching out.
Our KBG200-33 is designed to be used with our KHF200-33 sink and is included with the sink. We woukd be happy to review your sink and make sure you have the correct grid.
Please feel free to reach out to us at 800-775-0703 or via email at customerservice@kraususa.com with any additional questions.
Thank you for reaching out.