Casting Flasks

1-3/4" (1-3/4" dia.) 2-1/2" (2" dia.) 2" (2-1/2" dia.) 2-1/2" (2-1/2" dia.) 3" (2-1/2" dia.) 2-1/2" (3" dia.) 3" (3" dia.) 4" (3" dia.) 2-1/2" (3-1/2" dia.)