Lockermate by Bostitch puts a fun twist on ordinary classroom products. Why stick with a regular, wooden or standard ruler when you can have fun with numbers by using the colorful Flexi Ruler! The fun doesn't stop there — this plastic, flexible ruler is best to use for both 12 inches and 30 cms with easy to read and accurate measurements. Ruler Type: Standard/Metric; Length: 12"; Standard Scale: 1/16"; Metric Scale: 1 mm.