Image Item No. Description  6541  Technic, Brick 1 x 1 with 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