Chelsea Ironspot

Modular (3-5/8 x 2-1/4 x 7-5/8 in.), Builders Special (3 x 2-13/16 x 8-5/8 in.), Titan (3-1/2 x 3-5/8 x 15-5/8 in.), Econo (3-1/2 x 3-5/8 x 7-5/8 in.), Utility (3-1/2 x 3-5/8 x 11-5/8 in.)