Image Item No. Description  3700  Technic, Brick 1 x 2 with Hole Catalog: Parts: Technic, Brick  3701  Technic, Brick 1 x 4 with Holes Catalog: Parts: Technic, Brick  17114  Technic, Brick Modified 2 x 2 with 2 Ball Joints and Axle Hole Catalog: Parts: Technic, Brick