Compass aid for blind people with 5mm markings

Practical compass aid, 3D printed, in yellow and black.
5mm hole spacing, suitable for ballpoint pens. A smaller pin hole at zero.
Scale with tactile lines every cm and one point every 5mm.

Material: plastic, thickness 2mm

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