Image Item No. Description  73230  Technic, Brick 1 x 1 with Axle Hole Catalog: Parts: Technic, Brick  32064  Technic, Brick 1 x 2 with Axle Hole Catalog: Parts: Technic, Brick  3700  Technic, Brick 1 x 2 with Hole Catalog: Parts: Technic, Brick  32000  Technic, Brick 1 x 2 with Holes Catalog: Parts: Technic, Brick