KOKUYO Campus Memorisation Ruler – Blue

Compatible with memorization pens (PM-M120NM221N)
Slightly wider 15cm ruler with broad coverage area for hiding text during memorization
Size fits in pencil cases and thin enough to slip into textbooks
Diagonal cut edge prevents marker ink bleeding and staining
Simple, clear triangular scale markings for easy reading

Article No:
CL-RM15B – Blue
CL-RM15R – Red