Mike
the chassis punch I purchased is 1-7/8" diameter. Greenlee #5004248
the grommets are obviously 1-3/4 ID
the inner OD matches the punch, 1-7/8"
the overall OD is about 2-1/4"
they are made of a fairly tough durometer material.
I think my plan was to punch the larger hole so that the bottom of the hole aligns with the bottom of the original hole. As in the picture below.
PM me with your address and I'll mail you some grommets.
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