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 key by pushing down the shackle
Made in Germany