★ Pretty magnetic ruler with consistent sewing width, convenient for straight sewing. ★ Put the needle board according to the width you want to sew and then sew the cloth edge with the magnet ruler. Very easy to install and remove with one touch. ★ Strong magnets ensure a secure fit and no slippage ★ Lightweight and rust-free construction compared to metal. It also has a non-slip treatment to prevent the magnet from slipping off. ★Size: Length 0.8 x Width 1.7 x Thickness 0.4 inches (20 x 44 x 9 mm); Weight: 0.5 oz (14.4 g); Small but very convenient cloth guide! Makes sewing fun ♪ Excellent