Red end

Boxwood finish

Heavy-duty, 1/8" thick sections

Marked both edges, both sides

Markings embedded into wood

Consecutive inches to 16ths

16" centers marked in red

Blade and markings protected by longer wearing epoxy finish

Graduated brass slide

6" folds

Rivet joints

HX46N has a hook; zero falls inside of hook, for distance measuring

X46FN has flat, inside markings, numbering begins on inside of rule