Image Item No. Description  3661  Plate, Round 1 x 1 Open Stud with Bar Arm Down Catalog: Parts: Plate, Round  77850  Plate, Round 1 x 3 with Open Studs Catalog: Parts: Plate, Round  77845  Plate, Round 1 x 4 with 2 Open Studs Catalog: Parts: Plate, Round  3263  Plate, Round 3 x 4 x 2/3, Raised 1 x 4 Catalog: Parts: Plate, Round  3766  Plate, Round 4 x 6 Oval Catalog: Parts: Plate, Round