It seems like you're asking about a "chabi" with two different measurements, 10mm and 11mm. A "chabi" is not a common English word, and it's possible that you may be referring to a key or some other type of tool.
If you have a key or tool with two different measurements, 10mm and 11mm, it's important to understand what you want to do with it or what information you need. If you have a specific question or need assistance related to this item, please provide more context or details, and I'd be happy to help.
