I know 4mm Three-Hole Puncher for loose-leaf Notebooks - Manual Hole Punch for A5 A6 B6 Personal Pocket Mini Sizes - Ideal for Planner and Journaling

4mm Hole Diameter: Creates uniform 4mm diameter holes, ensuring compatibility with standard loose-leaf binders and notebooks. Three-Hole Design: Specifically designed for three-hole binding systems, making it perfect for traditional loose-leaf notebooks and planners. Manual Operation: Simple and easy to use, requiring no electricity just press down to create clean, precise holes. Durable Construction: Made from high-quality materials, this puncher is built to last, providing reliable performance over time. Compact and Portable: Its compact size makes it easy to store and carry, whether you're at home, in the office, or on the go. Wide Compatibility: Supports multiple paper sizes A5, A6, B6, Personal, Pocket, Mini), catering to diverse organizational needs. Product Overview. This 4mm three-hole puncher is a versatile and essential tool designed for creating perfectly aligned holes in your. loose-leaf. notebooks, planners, and journals. Ideal for organizing and customizing your stationer