XIANQI What you will receive: 4 roman shade cord locks included in the package, enough quantity for your daily needs, suitable for blinds, roman shades and similar shades; they are suitable for easy opening and closing of shades by grabbing and releasing cords Size:1.7*0.75in Colour:White Sturdy and Reliable: Roman blind shutter locks are made of iron and plastic materials, which are strong and durable, not easy to break or deform, can serve you for a long time and bring convenience to your life Ease of installation: The Austrian shade rope lock is effortless to install; if you are using it for the first time, you can watch the instructional video ahead of time, which will make your project very easy without frustration Works great: these cord locks are great for roman shades, you can raise and lower roman shades like a blind; mount them to the top bracket and thread the cord through and they will work great to make your shade flexible adjustable Warm Tip: Austrian shade shutter locks come in a variety of sizes, depending on the number of ropes to go through, our three-rope locks are suitable for one, two or three ropes; please check the size on the picture before ordering to make sure it matches your blinds