Not for use with 1/4" perforated metal sheet. Plastic containers are good for holding air and possibly a ball of yarn. They don't hold up much and half won't fit in the perforated plate due to the wrong spacing. The metal pins are good quality but they are very flimsy and will not hold in a 1/4" pegboard, especially a steel pegboard. I would not recommend them more than for some crafts. Not intended for garage use.
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