Laminated steel padlocks built from stacked, riveted steel plates for maximum resistance to prying, hammering and cutting. Hardened boron-alloy shackles, dual ball-bearing locking and zinc or chrome anti-corrosion finishes. Body widths 20–75 mm, shackle diameters 5–11 mm. Verified shear resistance up to 18,538 N. Ideal for warehouses, containers, gates and equipment. Factory-direct OEM/ODM, MOQ negotiable.