Image Item No. Description By  24593  Cylinder Half 2 x 4 x 2 with 1 x 2 Cutout Catalog: Parts: Cylinder 1  6259  Cylinder Half 2 x 4 x 4 Catalog: Parts: Cylinder 888  85941  Cylinder Half 2 x 4 x 5 with 1 x 2 Cutout Catalog: Parts: Cylinder 828  87926  Cylinder Half 3 x 6 x 6 with 1 x 2 Cutout Catalog: Parts: Cylinder 4  86500  Cylinder Hemisphere 4 x 4 Catalog: Parts: Cylinder 654  30208  Cylinder Hemisphere 4 x 4 Multifaceted Catalog: Parts: Cylinder 2  20455  Cylinder Hemisphere 9 x 4 x 7 with 4 Studs on Top Catalog: Parts: Cylinder 1  30562  Cylinder Quarter 4 x 4 x 6 Catalog: Parts: Cylinder 12