Schema module reports:

      pdfidcard_templates
column width - difference on: length
            declared: array('description' => t('TODO: please describe this field!'), 'type' => 'int', 'length' => '11', 'not null' => 'TRUE', 'default' => 0)
            actual: array('description' => t('TODO: please describe this field!'), 'type' => 'int', 'not null' => TRUE, 'default' => 0)
column height - difference on: length
            declared: array('description' => t('TODO: please describe this field!'), 'type' => 'int', 'length' => '11', 'not null' => 'TRUE', 'default' => 0)
            actual: array('description' => t('TODO: please describe this field!'), 'type' => 'int', 'not null' => TRUE, 'default' => 0)

Schema API says:

'length': The maximal length of a type 'char', 'varchar' or 'text' field. Ignored for other field types.