I only lost 1g for both blocks when I did that. Used a hacksaw and only too 2 minutes with a bit of filing afterwards.
1.2g per block according to my slightly more accurate before/after measurement. I bought myself a Dremel and did the other three quicker than doing the first one with a file.
@hippy started
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I only lost 1g for both blocks when I did that. Used a hacksaw and only too 2 minutes with a bit of filing afterwards.