230: 2" x 2" x 2" H -> Fits 1" Sq.
 231: 3-1/2" x 3-1/2"  -> Fits 1", 1-1/4", & 1-1/2" Sq.
 232: 2" x 2" x 1-1/2" H -> Fits 1" Sq.
 234: 2-1/2" x 4" -> Fits 1" & 1-1/4" Sq.