MAGNALIUM STRAIGHT EDGE

Magnesium-aluminum flat rulers are easy to store and can be hung and placed horizontally. They will not affect their straightness and parallelism due to long-term horizontal placement. The magnesium-aluminum rulers have high accuracy and are more portable than cast iron rulers.
Magnesium-aluminum flat ruler is not easy to deform
Not easy to rust
Light weight, 1.5kg/m less than 2 meters