10 pcs. 13 Gauge Steel Corner Brackets - Shelf Chair Cabinet Corner they are .072 thick/13 gauge they measure about 2-1/4" from inner edge to end of radius holes are .205 Dia. or a little over 3/16" Dia.
These came from a now closed factory that got them in bulk boxes so there is no packaging
[Please Look at all the pictures they are part of the description]