UPTTHOW Stainless Steel Metal Paper Tearing Ruler Craft Ruler for Cutting Paper to Wavy Line Jagged and Irregular Edges 12'' Measuring Tool for Engineering School Office Architect and Drawing-B : Amazon.co.uk: Stationery
Siumir Stainless Steel Rulers Including 40cm (16 inch)/ 50cm(20 inch)/ 60cm(24 inch) Dual Double Side Precision Metal Ruler Kit Straight Edge Measuring Tool for Office Engineering Drawings 3pcs/1 Set : Amazon.co.uk: DIY