Image Item No. Description By  73507  Technic, Liftarm, Modified Perpendicular Holes Thick 1 x 11 Catalog: Parts: Technic, Liftarm 5  71710  Technic, Liftarm, Modified Perpendicular Holes Thick 1 x 15 Catalog: Parts: Technic, Liftarm 8  44374  Technic, Liftarm, Modified Rotor Thin 3 Blade Catalog: Parts: Technic, Liftarm 1  2825  Technic, Liftarm, Modified Stud Connector Thin 1 x 4 Catalog: Parts: Technic, Liftarm 11474  60484  Technic, Liftarm, Modified T-Shape Thick 3 x 3 Catalog: Parts: Technic, Liftarm 7556  2905  Technic, Liftarm, Modified Triangle Thin 3 x 5 with Full Supports Catalog: Parts: Technic, Liftarm 2254  99773  Technic, Liftarm, Modified Triangle Thin 3 x 5 with Short Supports Catalog: Parts: Technic, Liftarm 59  3167  Technic, Liftarm, Modified U-Shape Thick 2 x 3 Perpendicular Catalog: Parts: Technic, Liftarm 1