Donau Elektronik krúžkový zakladač 4 krúžky biely 3,5 cm DIN A4

The Donau Elektronik Ring Binder is a high-quality document filing solution designed for professional and personal use. With its sturdy hardcover and durable polypropylene (PP) covered cardboard construction, this ring binder offers reliable protection for your documents. The 4-ring O-ring mechanism ensures easy page turning and secure sheet retention, while the 25 mm ring diameter accommodates up to approximately 250 sheets of 80 gsm paper. The spine width of 35 mm provides ample storage capacity, and the integrated label holder on the spine allows for clear identification of contents. Ideal for organizing A4 documents in offices, schools, or home environments.

Advantages

This ring binder combines functionality with durability. The hardcover protects documents from wear and tear, while the O-ring mechanism allows pages to lie flat for easy reading and writing. The label holder on the spine simplifies organization, and the white color offers a clean, professional appearance that fits any setting.

Suitable for

• Office document filing and archiving
• School and university notes organization
• Home paperwork management
• Presentations and reports

Key specifications

• Format: DIN A4
• Number of Rings: 4
• Ring Type: O-Ring
• Ring Diameter: 25 mm
• Spine Width: 35 mm
• Color: White
• Material: Polypropylene (PP) covered cardboard
• Capacity: Approx. 250 sheets (80 gsm)
• Mechanism Type: Standard Ring Mechanism
• Label Holder: Yes, on spine
• Cover Type: Hardcover

Recommendations

For optimal organization, pair this ring binder with Donau Elektronik index dividers and sheet protectors. Suitable for use with standard A4 punched paper.