The chalk cartridge set from Prym is suitable for tracing, writing and marking on almost all surfaces. It is ideal for crafts and hobbies, such as sewing, quilting, handicrafts and model building. The refillable cartridge holder can be used not only to make exact line marks, but also to make dotted markings. At the upper end of the cartridge holder there is a knob with an eraser cartridge. The scope of delivery includes 8 white and 8 coloured cartridges, the chalk cartridge holder and a special sharpener for the chalk cartridges. The cartridge holder is supplied containing one white cartridge. The cartridges are economical in use and are supplied in protective packaging for transport.