Nut size for MagnaFlow Xmod clamp

[Juan115]

Can someone please tell the size for this nut. Been looking everywhere for the size since I tightened too much and it broke.
Thanks in advance!

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[zrk]

Looks like a standard metal-lock nut. maybe 10mm. You can get full vband clamp kits anywhere. https://www.amazon.com/Vibrant-Performance-11146K-Replacement-Fastener/dp/B019XF2KU0