We’ve used the Master Lock M40XKAD Magnum Discus Padlock on our storage unit and found it to be a reliable and sturdy lock. The shrouded design and Tough-Cut boron-carbide shackle provide ...

Its closed-shackle design offers extra protection ... Built for the toughest outdoor challenges, the Master Lock Anti Rust Weatherproof Padlock offers premium protection against the elements.

size of the padlock, length of the shackle and the type of lock need to be paid attention to. Another important factor is whether the padlock is anti-corrosion or not as if it needs to be used ...