I bought a perforated Duraboard for use in my studio and the holes are smaller than standard widely available accessories. I didn't want to use a traditional dark hole board and it doesn't rub off very well so I grabbed these hooks in a desperate attempt to get it working. They fit! They're also easy to insert once you get the hang of it. Basically, they shrink a bit to get into the holes. They also look strong. My only issue is that I felt like they were scratching the wall behind the board. If your board is farther away, this probably isn't a problem.
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