Weck 60mm Rubber Seals / Rings (Set of 10). Fits WECK Models 080 760 761 762 763 764 766 902

Are these 60mm id or 60mm od?

Bought these for a Jar with a lid that says 80, and they seem way too small. Did I not use the correct number when looking looking for gaskets?

anyone know if Weck makes these in silcone? Since silicone doesn't dry out, crack and it's not as susceptible to temp changes.

When used for canning purposes, are these seals intended to be re-used, or are they one-use-only as are standard mason jar lids?