1/2" x   1/2"         1/8"
   3/4" x   3/4"         1/8"
     1" x     1"         1/8"
     1" x     1"        3-16"
     1" x     1"         1/4"
 1-1/4" x 1-1/4"         1/8"
 1-1/4" x 1-1/4"        3/16"
 1-1/4" x 1-1/4"         1/4"
 1-1/2" x 1-1/2"         1/8"
 1-1/2" x 1-1/2"        3/16"
 1-1/2" x 1-1/2"         1/4"
     2" x 1-1/2"         1/8"
     2" x 1-1/2"        3/16"
     2" x     2"         1/8"
     2" x     2"        3/16"
     2" x     2"         1/4"
     2" x     2"         3/8"
 2-1/2" x 2-1/2"        3/16"
 2-1/2" x 2-1/2"         1/4"
 2-1/2" x 2-1/2"        5/16"
 2-1/2" x 2-1/2"         3/8"
     3" x     2"        3/16"
     3" x     2"         1/4"
     3" x     3"        3/16"
     3" x     3"         1/4"
 3-1/2" x 3-1/2"         1/4"
 3-1/2" x 3-1/2"        5/16"
 3-1/2" x 3-1/2"         3/8"
     4" x     4"         1/4"
     4" x     4"         3/8"
     5" x     5"        5/16"
     6" x     4"        5/16"
     6" x     4"         3/8"
     6" x     6"        5/16"
     6" x     6"         3/8"