6″ Beams – A 6″ beam included those in which the two sides equal no more than 13, examples 5″x 5″, 5″x 6″, 6″x 7″

8″ Beams – A 8″ beam included those in which the two sides equal no more than 14-17, examples 7″x 7″, 7″x 8″, 8″x 8″, 8″x 9″

10″ Beams – A 10″ beam included those in which the two sides equal no more than 18-21, examples 9″x 9″, 9″x 10″, 10″x 10″, 10″x 11″

12″ Beams – A 12″ beam included those in which the two sides equal no more than 21-24, examples 11″x 11″, 11″x 12″, 12″x 12″