Shuokecrafts 2Pcs Metal Standard Letter Size Notebook 3-Ring Binder Mechanism Replacement Kit，3 O Rings,1inch Capacity,Loose Leaf Binding Spines Combs for Organizers DIY Planners (Silver)

The "Ring Binder Mechanism for DIY Planners" is a must-have tool for anyone looking to create their own custom planner.

With its durable iron construction, this mechanism features two clips with four rivets each, providing ample space for storing your notes and appointments.

The overall length of the mechanism is 11 inches, making it suitable for standard letter size paper.

The ring inside diameter measures 25mm, while the distance between the two holes is 270mm.

Additionally, the base width is 20mm, providing a sturdy foundation for your planner. The product also features nickel plating and three O-rings, ensuring that it will remain securely in place even after extensive use.

The round ring binder mechanism is easy to assemble and disassemble, making it simple to customize your planner to suit your needs.

Whether you're a student, professional, or simply someone looking to stay organized, this product is the perfect solution for you.

So why wait? Order now and start creating your very own DIY planner today!