Image Item No. Description  85941  Cylinder Half 2 x 4 x 5 with 1 x 2 Cutout Catalog: Parts: Cylinder  85941  Cylinder Half 2 x 4 x 5 with 1 x 2 Cutout Catalog: Parts: Cylinder  30208  Cylinder Hemisphere 4 x 4 Multifaceted Catalog: Parts: Cylinder  30987  Cylinder Quarter 2 x 2 x 5 with 1 x 1 Cutout Catalog: Parts: Cylinder