Image Item No. Description By  4263  Technic, Plate 1 x 4 with Toothed Ends Catalog: Parts: Technic, Plate 1  32124  Technic, Plate 1 x 5 with Smooth Ends, 4 Studs and Center Axle Hole Catalog: Parts: Technic, Plate 354  2711  Technic, Plate 1 x 5 with Toothed Ends, 2 Studs and Center Axle Hole Catalog: Parts: Technic, Plate 1  3709b  Technic, Plate 2 x 4 with 3 Holes Catalog: Parts: Technic, Plate 9  32001  Technic, Plate 2 x 6 with 5 Holes Catalog: Parts: Technic, Plate 8  3738  Technic, Plate 2 x 8 with 7 Holes Catalog: Parts: Technic, Plate 6