Overall, we would recommend the H&S High Security Padlock with Key for anyone looking for a heavy-duty padlock to keep their storage unit secure. 4. Puroma Combination Lock ...

It’s not considered a high-security lock, but it’s slightly more affordable than the Abus Granit 37RK/80 SZP. $130 $87 at Amazon The Abus 37/55 RK KA came very close to being our top pick had ...