Feature:1. It can speed up the sewing speed and keep the edges flat and even.2. Suitable for most popular sewing machines, easy to install and use.3. A good helper for sewing straight and round threads, bringing convenience to sewing.4. Sewing stitch guide is made of highquality materials, durable and longlasting.5. Suitable for clothing factories and individuals to do linear positioning, and also suitable for sewing beginners.Specification:Item Type: Stitch Guide SetMaterial: PlasticRuler Length: Approx. 7cm / 2.8inRuler Width: Approx. 7cm / 2.8inMaximum Length of Stitch Guide: Approx. 6.5cm / 2.6inMaximum Width of Stitch Guide: Approx. 3cm / 1.2in.Package List:1 x Ruler2 x Stitch Guide1 x ManualNote:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.