set square 45/177 blue

Set square 45/177 with a vertical made from blue transparent polystyrene. Hot stamping technology is used to imprint the scale. Scales accuracy 0,2% of length. A line for drawing of verticals is created on the set square in addition to the measurement scale. The set square is designed for drawing and technical drafting in schools and office. Packed in printed polyethylene bag with EURO hanger.