Most rulers have inches on one side and a centimeter and millimeter ruler on the other side. Those metric units are useful for measuring very small objects, and saves you from converting in and out of the metric system if you work in a field where it
6 Stainless Steel Pocket Rule Handy Ruler Hight Meter With Inch 1
2PCS Metal Ruler, Steel Ruler with Inch and Metric, Stainless
How to Read a Metric Ruler
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✅ Valuable Packaging: this stainless steel ruler set includes 2 steel rulers in 2 different sizes: 12 inch, and 6 inch. ✅ Excellent Design: the metal
2PCS Metal Ruler, Steel Ruler with Inch and Metric, Stainless Steel Ruler Set ( 6, 12 inch), Easy to Read inch, mm, cm, for School, Office, Home
How to read a metric ruler
MM Ruler –