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- 3/16" Post Diameter; 7/16" Head Diameter
- Length: 1/8" - 2"
- Head Style: 1 Side Slotted (Flat Head) / 1 Side Smooth
- Made of a strong aluminum metal that won't scratch or chip
- For letter size paper, which has an 11" binding edge
- Have 3-rings with standard hole spacing of 4
- Compatible with any standard letter hole puncher.
- On each end of the binder spine are boosters that assist with opening the rings, as well as rivet holes that allow you to bind them to any cover you see fit;
- 3/16" Post Diameter
- Length: 1/4" - 1"
- Add-on tool for your screw posts that increase the capacity
- They simply screw into the post, adding extra length