Helix Architectural Ruler 30cm, precision scale ruler.
Scales: 1:1, 1:20, 1:5, 1:1250, 1:100, 1:200, 1:50, 1:2500
The website price includes the student/artist/teacher discount of 10%. You can avail of this price instore if you present your ID card. Without ID card the instore price is 10% higher. *See terms and conditions.