Locate And Mark The Intersecting Point Of Two Perpendicular Lines ... All In One Quick Easy Step.

This 6 inch by 3 inch rule with micro-fine marking holes at every 1/16" gives you 4,608 different exact positions instantly located with your sharp pencil or scribe with zero uncertainty and no eye strain! It also features reference lines every 1/4 inch and double reference lines at each full inch.

Made in the USA.