Our Heavy Duty Lock Section Features Commercial Grade Padlocks: Warded Locks, Shrouded Shackle Locks, Weatherproof Locks and MonoBlock Padlocks. Other Industrial Grade Locks Include Master Lock Pro Series Padlocks and Magnum Locks (Magnum Commercial & Magnum Professional) as well as Disk Padlocks. Lighten Your Load Today with the Right Heavy Duty Lock Solution!