Rulex30cm Black (c) Metal Triangular Scale Ruler 1:1 1:10 1:2 1:20/1:5 1:50 1:100 1:200/1:500 1:1000 1:1250 1:2500

Rulex 30cm Black (c) Metal Triangular Scale Ruler 1:1 1:10 1:2 1:20/1:5 1:50 1:100 1:200/1:500 1:1000 1:1250 1:2500

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)

Liquidraw® Angle Line Adjustable Set Square Acrylic Bevel Edge 200mm / 250mm / 300mm / 350mm (30cm)