BENECREAT 4 Pack Plastic Binding Combs for A4 Paper - 3-Ring Binder Spines, Loose Leaf Refill, D-Rings (28x2.75x3cm/11x1x1.2 inch, 5.5x4mm Hole)

• Package Includes: You will get 4 sets of Notebook 3-Ring Binder Mechanism, enough quantity for you to use.
• Size Reference: Width about 1.08 inches (2.75 cm), length 11.02 inches (28 cm), thickness 1.18 inches (3 cm), hole: 0.55x0.4 cm, inner diameter 2 cm; screws: 0.30x0.31 inches (0.75x0.8 cm), pins: 0.11 inches (0.28 cm), 2 pieces; nuts: 0.35x0.8 cm , 0.28 cm inner diameter, 2 pieces.
• Reliable Material: The ring mechanism is made of stainless steel, waterproof, not easy to break, durable and reliable for long-term application.
• Applicable Scope: This loose-leaf binder mechanism is suitable for A4 size loose-leaf notebooks and planners, it can help you easily collect what you need, widely used in your daily life and work.
• Easy to Use: The loose loose-fitting binder ring can be easily unfolded and closed to add or remove pages for convenient and flexible use for study.

BENECREAT 4Pack Stainless Steel A4 Notebook 3-Ring Binder Mechanism, D Rings, Loose Leaf Binding Spines Combs for Organizers Planners Size: about 1.08 inch(2.75cm) wide, 11.02 inch(28cm) long, 1.18 inch(3cm) thick, hole: 0.22x0.16 inch(0.55x0.4cm), 0.79 inch(2cm) inner diameter, 4pcs. screw: 0.30x0.31 inch(0.75x0.8cm), pin: 0.11 inch(0.28cm), 8pcs; nut: 0.14x0.31 inch(0.35x0.8cm), 0.11 inch(0.28cm) inner diameter, 8pcs.