Image Item No. Description By  49668  Plate, Modified 1 x 1 with Tooth Horizontal Catalog: Parts: Plate, Modified 1  3794b  Plate, Modified 1 x 2 with 1 Stud with Groove (Jumper) Catalog: Parts: Plate, Modified 8  15573  Plate, Modified 1 x 2 with 1 Stud with Groove and Bottom Stud Holder (Jumper) Catalog: Parts: Plate, Modified 8  3794a  Plate, Modified 1 x 2 with 1 Stud without Groove (Jumper) Catalog: Parts: Plate, Modified 9  3794  Plate, Modified 1 x 2 with 1 Stud, Jumper (Undetermined Type) Catalog: Parts: Plate, Modified 7  41740  Plate, Modified 1 x 4 with 2 Studs with Groove Catalog: Parts: Plate, Modified 1  87580  Plate, Modified 2 x 2 with Groove and 1 Stud in Center (Jumper) Catalog: Parts: Plate, Modified 7