Helix Oxford 30cm Folding Ruler, Oxford Blue

Product Information

Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. We are happy to announce that we have reached this goal and today, more than 98% of the wood used for IKEA products is either FSC-certified or recycled. These frames used to be Verified Reviewer These frames used to be made out of wood but now they are compressed cardboard.

All suppliers are audited regularly and non-compliant suppliers are required to implement immediate corrective actions. Before starting to work with IKEA, suppliers must demonstrate that they meet IKEA critical requirements on wood sourcing. The standard length for the inch varied from place to place in the past and it was in the year 1959 that International Yard was defined and Inch was measured exact the same length all over the world.

Great Value Verified Reviewer I have bought many in this range, in various sizes, and I really think they offer great value for the money.

Another version of the inch is also believed to have been derived from the width of a human thumb, where the length was obtained from averaging the width of three thumbs: a small, a medium, and a large one.See also Limit in Calculus: Defined and Explained With Its Rules and Examples How many centimeters in an inch? With the development of metric system in late 18th century a uniform measurement system came into existence and standards in respect to measurement were set. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.