Pyrex A-7-C Glass Lids 6 3/4" inner lip 7" outer edge. Will fit 1 (A-1-B), 1 1/2  (A-1 1/2-B)  and 1 3/4 (A-1 3/4-B) quarts casserole dishes. 

Pyrex lid P-12-C for Corning Ware casseroles 10" x 10" square. Will fit casseroles marked (A-10-B) 2.5 Liter, (A-4-B)  4 Qt and (A-5-B)  5Qt. Inner-to-inner lid measures 9 7/8" outer-to-outer lid measures 10 3/8".