Clear, see-through ruler offers a crystal-clear view of documents while measuring & marking. Contains a standard scale on one edge & metric on the other for the ultimate in versatility. Durable & sturdy construction to ensure it lasts a long time. A valuable tool in the home, classroom, office, warehouse, store, or at the job site. Sturdy plastic for continued use. Ruler Type: Standard / Metric; Length: 6"; Standard Scale: 1/16"; Metric Scale: Centimeters; Millimeters.