ABUS Laminated Steel Safety LocksLaminated steel with ETERNA™ coating on each laminate for extreme corrosion resistanceETERNA™: Non-hazardous, cadmium-free platingTough, countersunk rivets.  Hardened steel shackleHigh-precision 5-pin tumbler, drilling and pulling protectedPlastic bumper for easy identificationMade in GermanyAvailable in  Red, Yellow, Green, Orange, Blue, Black and White.Comes in 2 Shackle Heights:  3/4 or 2 inch