For all construction Mine Graphite
Universal - for almost all materials:
Dry, wet, smooth, rough, dusty, oily
Erasable from smooth surfaces with a damp cloth
For refilling or replacing
In a practical and robust plastic case
Rectangular mines with 2 x 5 mm in cross section, 150 mm long
Double wing to open for an easy and intuitive handling
4 Red, 4 White, 4 Lead