There definitely is a little wiggle room in the racks, but not enough for 21 chips. That being said I am using new, unfelted Paulsons. The story would definitely change if you are storing worn chips or a different chip brands. I tried fitting my
TRK exc/casino used s/u Nevada Lodge $1s and they could fit snugly with 2 spacers. Mint NL $25s would only fit 1 spacer, but with a bit of extra space. Since a picture is worth 1000 words, here ya go:
20 chips only
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Adding a plastic spacer (side view)
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Adding a plastic spacer (front view)
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Adding a 21st chip (side view)
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Adding a 21st chip (front view)
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TRK casino used s/u snugly with 2 spacers
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TRK mint with 1 spacer
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