Features:

• Laminated steel with ETERNA coating on each laminate for extreme corrosion resistance
• Laminates individually treated for top corrosion protection
• Rivets concentrated in the outer laminates to protect the rivet heads from being chipped off
• Hardened shackle, double bolted, as of 40 mm made from special alloy
• Precision pin tumbler cylinder
• Self-locking: Locking without a key by pushing down the shackle
• Made in Germany