The H600 is Roto?s latest lock and this version will replace older 2 hook, 2 roller Roto locks although keeps may need to be repositioned. Please note that Roto refer to their mushrooms as V-cams.
...
ABUS 180IB series combination open shackle padlock with brass body & shackle. 4 digit resettable combination which allows you to set your own PIN. Ideal for internal or external use
This MASTER LOCK Excell Discus Combination Padlock has a stainless steel body for maximum strength and weather resistance. It features a boron-carbide shackle which is 50% harder than hardened steel, ...