Characteristic: 1. CAPACITY 280 SHEETS: Plastic spiral binding coil ma diameter 32 mm and can hold up to 280 sheets of paper (A4, 70 g), allowing you to easily add and remove pages. 2. 4:1 SPLIT amp; 48 TEETH: The spiral binding coil ma a 4:1 pitch and is compatible with any binding machine that punches 4 holes per inch. 3. SET OF 20 pieces: 20 spiral coils per pack, ensuring long-term performance for all binding projects, making it easy to frame and store documents for extended periods. 4. 360 DEGREE ROTATION: The plastic spiral binding coil allows you to turn the page 360 degrees, making it easier to read and allowing you to lay projects flat. 5. SUITABLE FOR LETTER FORMAT PAPER: These 48 tooth binding coils are ideal for Letter format paper (8,5 inch x 11 cali), and the length can be easily cut with scissors according to individual requirements. Ideal for engineering documents, business projects, office documents and university presentations. . 20 pcs. Plastic spirals for luminaires with a diameter . 20 pcs. Plastic spirals for luminaires with a diameter . 20 pcs. Plastic spirals for luminaires with a diameter Specification: Item Type: Plastic Spiral Binding Coils Material: PCV plastic Binding diameter: approx. 32 mm / 1,26 inch Binding capacity: 280 sheets (A4, 70g) Number of teeth: 48 teeth Slope: 4:1 Suitable paper size: approx. 8.5 x 11 cali / 21.59 x 27.94 cm . 20 pcs. Plastic spirals for luminaires with a diameter . 20 pcs. Plastic spirals for luminaires with a diameter . 20 pcs. Plastic spirals for luminaires with a diameter List of packages: 20x Plastic Spiral Binding Coils . 20 pcs. Plastic spirals for luminaires with a diameter . 20 pcs. Plastic spirals for luminaires with a diameter . 20 pcs. Plastic spirals for luminaires with a diameter