Value-priced, durable plastic ruler is ideal for students. Raised, bold standard and metric markings simplify measurement tasks. Beveled edge acts as an excellent drawing and drafting guide. Convenient two- and three-ring binder slots enable easy storage. Ruler Type: Standard/Metric; Length: 12 in; 30.00 cm; Standard Scale: 1/16 in; Metric Scale: Millimeters.