A reliable 3-piece set from SunMura, a collar-stopper, which is supported by the beauty industry. Comes with a scale so you can easily follow the measurement instructions for your teaching book. It also makes a great gift for those who are beginning to wear. The quality is solid, so you can use it for a long time. [Uses] 1) Temporary collar when wearing (2) Temporary tapping when tying the obi; 3) Crimping the hem in rainy weather, etc. [Prosess] The pinch portion is long and holds it firmly. Comes with a scale for easy reference to instructional books. It also has a center line on the back. Size: Length approx. 3.7 inches (9.5 cm) x Width approx. 0.7 inches (1.8 cm); Length of the clip part approx. 2.4 inches (6 cm); Quality display: Body: Aluminum; Spring: Stainless steel; Rubber: Synthetic rubber; Treatment: Resin painted finish; Made in Japan.