AMERICAN LOCK ROUND BODY PADLOCKS OFFER THE GREATEST SECURITY AND FIT FOR REAL WORLD APPLICATIONS THEY'RE VIRTUALLY INDESTRUCTIBLE WITH HARDENED CHROME PLATED SOLID STEEL BODIES THAT RESIST CUTTING SAWING AND CORROSION AND HARDENED BORON ALLOY STEEL SHACKLES THAT OFFER SUPERIOR CUT RESISTANCE FIVE- AND SIX-PIN BRASS CYLINDERS AND DUAL BALL BEARING LOCKING MECHANISMS RESIST PICKING PULLING AND PRYING THEY'RE IDEAL FOR SECURING SECURITY GATES SHEDS TRUCK AND VAN DOORS INDUSTRIAL MACHINERY AND CONSTRUCTION EQUIPMENT.