Image Item No. Description  32124  Technic, Plate 1 x 5 with Smooth Ends, 4 Studs and Center Axle Hole Catalog: Parts: Technic, Plate  32001  Technic, Plate 2 x 6 with 5 Holes Catalog: Parts: Technic, Plate  32125  Technic, Plate Rotor 3 Blade with Smooth Ends and 6 Studs (Propeller) Catalog: Parts: Technic, Plate