Specifically, whats the size of the lug that mounts the battery cable to the inner fender?

Im looking to upgrade my cables to 1/0, but need to know lug size. Im not near my cars at the point in time when id like to order supplies...

Just want to get the right lug size...

Thanks!

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Current Diesels:
1981 240D (73K)
1982 300CD (169k)
1985 190D (169k)
1991 350SD (116k)
1991 350SD (206k)
1991 300D (228k)
2008 ML320 CDI (199k)
1996 Dodge Ram CTD (442k)
1996 Dodge Ram CTD (267k)

Past Diesels:
1983 300D (228K), 1985 300D (233K), 1993 300D 2.5T (338k), 1993 300SD (291k)