4" X 8" X 16"   solid
4" X 8" X 16" hollow
4" X 8" X 18" hollow
6" X 8" X 16" hollow
6" X 8" X 18" hollow
8" X 8" X 16" hollow
8" X 8" X 18" hollow
10" X 8" X 16" hollow
10" X 8" X 18" hollow
12" X 8" X 16" hollow
12" X 8" X 18" hollow