Proven Industries is what I bought after lots of reading. Every time someone posts a question like this, many people post their support for this lock. Expensive, but not coming off without great effort
I recently bought the proven industries lock and agree with the previous poster it’s not coming off without great effort. I am also planning on getting a wheel chock lock. All that said a battery powered angle grinder would go through either of these but it would be loud and noticeable and probably take some time.
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