Protractor 15 cm, transparent with tactile and visual markings, 2-coloured

Protractor for visually impaired people, transparent.
2-colored in yellow and blue translucent.
Notch at the zero point of the inside.
Angles in 10 degree increments and tactile markings.
45 and 90 degrees are marked with dashed lines.

Material: plastic, thickness 1.5mm

Shipping within 3-5 working days after advance payment on account, shipping costs 4.19€ within Germany