Nice pieces, I do wish the larger one was just a bit longer. It isn't quite long enough to snugly fit with a shorty where a standard stick pack goes. If you turn it sideways then it's too long. Not sure what use the smaller one is. Probably some specific battery tray.
The quality of the foam is nice though. Not too hard and not too soft, you can compress it a little to make it fit in tight spots and it expands back to normal.
Knocking one star because they are kind of weird sizes, but to be fair they are probably meant for specific models.

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