Abloy's High Security PL340 Padlock is a Grade 3 brass body padlock with a hardened boron steel shackle. Everyone needs to be secure. Governments, companies, organizations and private individuals. .Medium strength brass padlock. All-purpose padlock, key can be removed only in locked position. Tough, surface hardened steel padlock. Overview of Advantages Durable construction even in harsh environment Corrosion resistant Suitable for high security applications, like construction equipment, remote storage areas, trucks, warehouses, etc.