Machinist Square 90 Right Angle Ruler Protractor Carpenter Hardening of Precision Steel for Engineers DIY Auxiliary Tool

TOP NEW Features: 1. Designed for precise layout and measurement 2. Squares are really right angles inside and outside. 3. Grinding and grinding beams and blades into parallelism 4. The length of the blade is measured from the corner edge of the beam to the end of the blade.

Specifications: Material: 45 steel Dimensions: 80x50mm/3.15x1.97", 100x63mm/3.94x2.48", 125x80mm/4.92x3.15" Purpose: For measuring right angles

Notes: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3cm measuring deviation due to manual measurement. 1 X Right Angle Ruler