30cm Ruler 

Clear plastic 30cm ruler is ideal for schools, homes and offices. It is transparent and has clear, accurate markings. All corners are slightly rounded for safety and durability.

• Rigid, non-bendy ruler for clean straight lines.
• Smooth tapered edges that lie flat on the surface to give you sharp lines.
• Rounded edges that do not chip.
• Transparent body with clear and distinctly visible markings.