Image Item No. Description  5489  Brick, Round 2 x 2 D. 45 degrees Elbow (27.7mm Standing Height) Catalog: Parts: Brick, Round  5256  Brick, Round 2 x 2 with 4 Roots / Feet and Axle Hole Catalog: Parts: Brick, Round  5152  Brick, Round Corner 3 x 3 Macaroni with 2 Studs Catalog: Parts: Brick, Round