A shrinkage folding rule manufactured from downy birch with Swedish steel joints, affording thin sections and great flexibility. Metric scale on one side and a shrinkage scale in red figures on the reverse. Uses include the setting of casting moulds.
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Coated with a water-based protective lacquer for increased resistance to dirt and moisture.
The joints are heat-treated, epoxy coated and oiled at three points to ensure first-class performance.
Each folding rule section is checked twice during the production process using high-speed cameras.
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