THESE ARE THE PROTTIS PRC 105 & 107!
Mechanical pencils with rings indicating the diameter.
Lavender stands for 0,5mm, skyblue for 0,7mm. Both have our Cushion-Tip-Slide mechanism.
Our unique Mechanisms enable you to write up to four times longer than with conventional mechanical pencils.
Mechanical pencils with rings indicating the diameter.
Lavender stands for 0,5mm, skyblue for 0,7mm. Both have our Cushion-Tip-Slide mechanism.