SesameeĀ® 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 great cut resistance. Five-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.