Poor quality tightening knobs mess up an otherwise excellent stand

Great size for large tablets, very light-weight, nice coating, inexpensive and simple. BUT the little tightening knobs will not hold the stand in place properly for more than a few hours, no matter how tightly I turn them and I can see that the knobs will inevitably break too soon as a result thereof. Whether a poor design choice or planned obsolescence, this design flaw makes it difficult to recommend this stand. I am keeping it because I need something now for my kitchen table, so I will see if I can modify it to work better for me.

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