- [Precision Machinist Square]---- Preciva 90 degree right angle ruler is designed for precise layouts, machine set-ups and laboratory use, with an accuracy of ±0.01-0.03, you deserve to have it;
- [Quality Right Angle Blocks]---- Made of hardened, tempered and polished carbon steel, these engineers squares has a long service lifespan.
- [Added Features]---- This 90 degree right angle ruler comes with scales, it can also be used as a measuring tool for narrow ranges;
- [Warm Tips for You]---- This is a precision square instrument, it's shipped with an anti-rust oil layer, wipe clean upon arrival and begin to use.
- [Size]---- 150*100mm (5.91x3.94 Inches)