The trouble is it's hard to get the hex key in that far because there's not a very big area for it to engage so I think with a lever it would just slip out.
This stuff is pretty good, or grab a similar chilly penetrating spray.
@snottyotter started
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The trouble is it's hard to get the hex key in that far because there's not a very big area for it to engage so I think with a lever it would just slip out.