Image Item No. Description  4073  Plate, Round 1 x 1 Catalog: Parts: Plate, Round  2654  Plate, Round 2 x 2 with Rounded Bottom (Boat Stud) Catalog: Parts: Plate, Round  11833  Plate, Round 4 x 4 with 2 x 2 Round Open Center Catalog: Parts: Plate, Round