Image Item No. Description By  18654  Technic, Liftarm Thick 1 x 1 (Spacer) Catalog: Parts: Technic, Liftarm 5  6632  Technic, Liftarm Thin 1 x 3 - Axle Holes Catalog: Parts: Technic, Liftarm 21  32449  Technic, Liftarm Thin 1 x 4 - Axle Holes Catalog: Parts: Technic, Liftarm 1  32526  Technic, Liftarm, Modified Bent Thick L-Shape 3 x 5 Catalog: Parts: Technic, Liftarm 2