Image Item No. Description By  15573  Plate, Modified 1 x 2 with 1 Stud with Groove and Bottom Stud Holder (Jumper) Catalog: Parts: Plate, Modified 34  3794  Plate, Modified 1 x 2 with 1 Stud, Jumper (Undetermined Type) Catalog: Parts: Plate, Modified 9  87609  Plate, Modified 2 x 6 x 2/3 with 4 Studs on Side Catalog: Parts: Plate, Modified 2  89523  Plate, Modified 10 x 10 Octagonal with Hole Catalog: Parts: Plate, Modified 1