JJNUSA 2 Pieces Metal Standard Letter Size Notebook 3-Ring Binder Mechanism Replacement Kit,3 O Rings, Loose Leaf Binding Spines Combs for Organizers Planners

2 Pieces A4 Notebook 3-Hole Ring Binder Mechanisms Replacement Kit for Binder Planners O-Ring Binders Length: 11.3inches(28.8cm) Inner Diamater: 9.84 inches(2.5cm)

Features

• Suitable for 4 size loose leaf notebook or other A4 size planner with a broken ring binder mechanism Length: 11.3inches(28.8cm) Inner Diamater: 9.84 inches(2.5cm)
• metal, strong and durable.
• The round rings can be opened and closed easily when you need to add or remove pages and hold pages securely.
• The binder mechanism is screw type, easy to replace.
• includes: 2 x 3-ring binding mechanism with screws.