Adequate Protractor For Fixing To The Track
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Protractor for blackboard, 4.5mm rigid plastic, 180 x 1 degree, base 440mm, with detachable handle.
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Plastic , yellow.
Working handle is in the middle of the protractor.
Effective measuring angle: 0-180.
Effective working size: 500mm.
Size: 500*282*10?±0.2?mm.
