Image Item No. Description By  6259  Cylinder Half 2 x 4 x 4 Catalog: Parts: Cylinder 3  85941  Cylinder Half 2 x 4 x 5 with 1 x 2 Cutout Catalog: Parts: Cylinder 519  30208  Cylinder Hemisphere 4 x 4 Multifaceted Catalog: Parts: Cylinder 817  98107  Cylinder Hemisphere 11 x 11, Studs on Top Catalog: Parts: Cylinder 4  30562  Cylinder Quarter 4 x 4 x 6 Catalog: Parts: Cylinder 338