KOKUYO Campus Memorisation Ruler

● Compatible with memorization pens (PM-M120N・M221N)
● 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