It's been said that the stock retention of the HR-05, with the plastic pushpins, isn't as sturdy as some would like.
So an alternative is screw mounting, and I bought 50x of each, and I have enough for 7 more sets.
I'm thinking $2 shipped within the continental US, pay by PayPal.
Here's the suggested screw mount:
FS: screws, nuts, washers for HR-05 (SLI) mounting
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