0-180-degree /14.5cm stainless steel protractor semicircle angle ruler index ruler angle ruler

1. Product material: stainless steel.
2. Reading: The reading of the disc is 0-180 degrees, and the ruler scale is 14.5cm long.
3. Length: total length 198mm, disc diameter 88mm.
4. Product features: This protractor can rotate 0-180°, measure angles or draw lines. The reading adopts laser technology scale, the scale is clear and the reading is accurate.