Image Item No. Description  6259  Cylinder Half 2 x 4 x 4 Catalog: Parts: Cylinder  85941  Cylinder Half 2 x 4 x 5 with 1 x 2 Cutout Catalog: Parts: Cylinder  86500  Cylinder Hemisphere 4 x 4 Catalog: Parts: Cylinder  4413  Cylinder Hemisphere 11 x 11, Axle Hole in Center and 4 Pin Holes Catalog: Parts: Cylinder  30562  Cylinder Quarter 4 x 4 x 6 Catalog: Parts: Cylinder