Tacro rolling parallel or gliding ruler.
Used primarily by navigators, architects and engineers.
Can be used to draw parallel lines or as a protractor to measure or layout angles.
In good working order, rollers move with ease, there are no cracks in the plastic and graphics are clear.
Ruler measures 9.5 long and 3.25" wide with roller and 2.75" wide without.
Please see photos for details.
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Buyers are responsible for return shipping costs. If the item is not returned in its original condition, the buyer is responsible for any loss in value.
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