SAFE-T Rulers are the safest, easiest-to-use rulers available. This versatile 12"/30cm ruler is durable enough for all ruler activities, and has holes so it can be used in a three-ring binder. Since it's made of durable View-Thru™ SAFE-T Plastic®, it will withstand years of use.
It features U.S. standard inch and metric calibrations, beveled edges on both sides to keep ruler flat, and rounded safety corners.