The 83WP/63 is a weather-protected padlock for high-security applications. The lock is used to secure doors, gates, cellar windows, sheds, barns, etc. The 83WP/53 has a durable weather cover with drainage system. The body and shackle are made of hardened steel with NANO PROTECT™ coating for extra corrosion resistance. Another important feature is that the shackle can quickly be exchanged. The patented "Z-bar" allows the padlock to be converted from non-key-retaining to key-retaining and vice versa within seconds. The 83Wp/63 comes keyed different with 2 keys.