Rolling Parallel Ruler Foot Inch Metric Angle Rule Balancing Scale Draft

Similar Items Description Package includes:
1 X Roll Parallel Ruler

Features:
100% and high quality.
12" high-impact plastic rolling ruler.
Graduated in both inch and metric.
Includes many useful formulas and conversion factors.
Also has a built-in protractor, and holes along the top to help draw parallel lines and ellipses.
Be able to draw Horizontal parallel lines, Vertical parallel lines, arc curve

Specification:
Material: Plastic
: Clear
Length: 30cm(11.81in)
Quantity: 1 PC

Note:
1.Transition: 1cm=10mm=0.39inch
2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
3.Due to the difference between different monitors, the picture may not reflect the actual of the item. Thank you!
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