Clear Acrylic 20 Centimeter Ruler. Perfectly sized for A5 Journals. Create your layout with this ruler with ease. Crystal Clear, you can see exactly where you are placing you line. Thick and sturdy, with only a slight amount of bendability. One edge is straight, the opposite edge is scalloped. Scalloped edge can be used to create a different style of line or to tear washi. Ruler has 1cm grid to aid in layout placement. And essential tool for every journal planner!