Verulam 30cm 12 inch Flat Oval Metric Scale Ruler RIBA Approved No. 3 Scales: 1:1 1:100 1:5 1:50/1:20 1:200 1:1250 1:2500

Rulex Verulam 30cm 12 inch Flat Oval Metric Scale Ruler RIBA Approved No. 3 Scales: 1:1 1:100 1:5 1:50/1:20 1:200 1:1250 1:2500

Rulex Verulam 15cm 6 inch Flat Oval Metric Scale Ruler RIBA Approved No.3 Scales: 1:1 1:100 1:5 1:50/1:20 1:200 1:1250 1:2500 - UK manufactured

Stylo Aluminum Architect Scale Ruler - 30cm Ruler Laser Etched Triangle Drafting Ruler with Colour Coded Grooves for Blueprint, Drafting - Architectural Scale Ruler for Blueprint (Grey, Metric Units)