Image Item No. Description  57909bpb01R  Technic, Brick Modified 2 x 2 with 6 Holes Ball Joint and Axle Hole with Dark Green Hatch with 2 Gold Screws Pattern (Sticker) - Set 70735 Catalog: Parts: Technic, Brick  57909bpb01L  Technic, Brick Modified 2 x 2 with Ball and Axle Hole with 6 Holes in Ball with Open Hatch with Red and Yellow Wires Pattern (Sticker) - Set 70735 Catalog: Parts: Technic, Brick  92013pb001  Technic, Brick Modified 2 x 2 with Ball Socket and Axle Hole - Straight Forks with Round Ends and Open Sides with Danger Stripes and 'CRUSHING DANGER' Pattern (Sticker) - Set 7984 Catalog: Parts: Technic, Brick