NO.3250 Multi &ndash;Purpose Fashion Scales, Curved Grader&rsquo;s Ruler, Straight + Curved Lines - Buy One Get One FREE Offer! Multi-purpose work aids to assist with scaled pattern design for illustrations,diagrams and toiles Incorporating useful curves for drawing sleeve holes etc Metric measurements Straight line measures: 23cm, Curve line measures: 55cm Thickness: 1.5mm