have the pads before even roughened. could the adhesive after 24 hours' curing time "but simply with the hand tear. when the pad already gives to this stress level, I will not hang my GoPro there. at least not wenns really matters.
for comparison, the orginalpads which I have already used, can be even 2t move no milimeter.
Shipping was ok, packaging ok, concept also ok. stick itself, no problem.
Conclusion: If you look for cheap pads to your GoPro mount Iwo, about the house, at a concert or anywhere else where the pads no stark loads. access.
But if you do your rannehmt GoPro hard and you have to rely on the power, stay away.
because here but dransteht 3M, I expect equivalents performance, the 2nd star there just for the price.