The triangular ruler is like a portable protractor that can quickly plot a variety of different angles.
Its clever design provides convenience and accuracy in your angle measurement and angle drawing.
The precise scale lines are clearly visible, easy to read and will not wear out over time.
New function for measuring the perpendicularity of objects with a lead hammer (note: this set does not include a lead hammer)
T-edge design for stable placement of the triangular ruler during measurement
The T-shape design fits snugly on the edge of the table to better hold the ruler and ensure stability during measurements.