 | D Ring D shape mechanism for riveting to the back cover of a binder.
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|  | O Ring Round ring mechanism for riveting to the spine of a binder. |
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 | Q Ring Arch ring mechanism for riveting to the back cover of a binder. |
|  | Specials + Clips Super - screw top heavy duty mechanism + 6 Arch with 3 sets 2 opening |
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 | Lever Arch Classic Lever Arch mechanism in 3 sizes. Small, standard and large. |
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