Plastic Curve Ruler The flexible plastic curve ruler has been sandwich printed between two pieces of plastic so that the numbers do not rub off. A transparent ruler allows you to see your project under the ruler for accurate positioning and marking. Metric Ruler 603232cm French Curve Ruler 603535cm Armhole Curve Ruler 604040cm Armhole Curve Ruler 604545cm Plastic Curve Ruler 613232cm Plastic Curve Ruler PM603535cm Rigid Plastic Curve Ruler 624848cm Vary Form Curve Ruler 626060cm Plastic Curve Ruler 626161cm Vary Form Curve Ruler 630155cm & 20'' Stick Curve Ruler 634646cm Stick Curve Ruler 636060cm Plastic Stick Curve Ruler 640020cm Plastic Curve Ruler 6401Plastic Curve Ruler 6402Flexible Plastic Curve Ruler PM6402Acrylic Rigid Plastic Curve Ruler 6403Plastic Curve Ruler 6404Plastic Curve Ruler 6405Plastic Curve Ruler 6406Plastic Curve Ruler PM6407Acrylic Rigid Plastic Curve Ruler 6408BPlastic Curve Ruler 646060cm Plastic Curve Ruler PM6460Acrylic Rigid Plastic Curve Ruler 650158cm French Curve Ruler 650576cm French Curve Ruler 651140cm Pattern Master - Flexible PM651140cm Pattern Master - Acrylic PM651350cm Acrylic Plastic Curve Ruler PM655555cm Acrylic Plastic Curve Ruler PM656060cm Acrylic Plastic Curve Ruler Imperial Ruler 601212'' French Curve Ruler 611212'' Plastic Curve Ruler 621818'' Vary Form Curve Ruler PM650329'' Acrylic French Curve Ruler 622424'' Plastic Curve Ruler 632424'' Stick Curve Ruler 650224'' French Curve Ruler 650328'' French Curve Ruler 650430'' French Curve Ruler 651224'' Vary Form Curve Ruler