I currently have 3 disc-style locks in my collection. One is actually locking something, so I haven't tried to open it yet, but it's a master branded. The second is a brinks R70 that I've been able to open, and the third arrived a few minutes ago. I bought it specifically because I figured it would be hard to open (haven't even tried yet), but it's an ABUS Diskus 24/60, rated as a "7" by them on thieir packaging. My question is: Are these locks really any different? They are all pin tumbler, and they all look very similar. Is there one out there that uses a different style of lock? (i.e. blade, tubular?)
Thanks,
JD