Cm Inch Scale Guide: Centimeter and inch markings provide a simple reference for note layouts, page spacing, and basic drawing when you want a compact tool inside your notebook pages PP Build In Black: The PP body and clean black finish suit school, planner, and desk settings while keeping each tab light for daily carrying inside binder notebooks and note pages 10 Piece Set Supply: Ten ruler tabs in each pack help you organize several notebook sections, rotate between projects, and keep spare pieces ready for regular planning and study Multi Use Notebook Aid: Each piece works as a ruler,, and page tab so you can sort sections, return to saved notes, and keep quick measuring close during class work or desk planning 6 Hole Binder Fit: The punched binder structure attaches to compatible notebook pages to keep your tab close at hand, making it easier to return to lists, plans, and meeting notes, Manufacturer: Asukohu