The Merangue Folding Ruler will do the job, but with a few minuscule annoyances. The plastic feels brittle and is easy to crack if you are the type to put too much pressure on it. While the ruler does fold nicely to be merely 15 centimetres, the folding hinge mechanism makes it so that the ruler is not completely level on top, which can potentially make it so that it can be somewhat difficult to get straight lines while using the ruler. Overall a decent product.

Reply by our customer service

Thank you for your valuable comments, this issue does bring us more attention in quality control department. We will work more closely and strictly on our office product line quality control. Any concern, please feel free to let us know. Best regards

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Not practical at all. Bought 2, both went into recycling...

Reply by our customer service

Dear customer. Thank you for your support This is just a 12"/30cm ruler which can measure in Inch and centimeters. and it will do the job. We appreciate your feedback, we will try our best to improve our products . Best regards