| 1. | Spiral coil binding supplies are also available in a wide variety of colors.
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| 2. | In fact there are more than sixty standard colors available for binding documents with spiral coil.
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| 3. | However it is important to note that binding thick documents using spiral coil can be difficult.
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| 4. | They often feature spiral coil bindings at the edge so that pages may easily be torn out.
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| 5. | This type of spiral coil uses a larger filament diameter and is specifically designed for binding thick documents.
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| 6. | Spiral coil with 5 : 1 pitch is available in diameters ranging from 5 mm up to 25 mm.
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| 7. | The package contains heavy hole-punched calendar paper, two spiral coil binders and enough sheets of stickers to personalize 32 in all.
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| 8. | Spiral coil with 3 : 1 pitch is less common than either 5 : 1 or 4 : 1 pitch coils.
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| 9. | {{ quote | In the early 1900s, Nikola Tesla experimented with two caduceus-shaped spiral coils by feeding them opposing alternating currents.
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| 10. | Three to one pitch spiral coils are slightly easier to use for large diameter books because there are fewer holes to insert the coil through.
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