Brass caps and springs protect the most common wear points
6-1/2' (2M) Long with ft., ins., 16ths one side; mm, cm and dm other sideMade from specially selected fine Beechwood. Weather-resistant markings have a tough, clear protective coating. Steel springs have a precision lock action for extra strength when extended. Cleanly machined edges allow the rule to be snapped together easily and hold it stiff while measuring.