This read-only object reports the maximum permissible length, in bytes, of an OMPC comparison when using the 'bigger' or 'smaller' operators, with zero meaning no limit. An admin uses this to know how wide a numeric comparison field can be when building magnitude-based match rules. For example, an admin trying to match a multi-byte counter field using a 'bigger than' condition would need to ensure the field length doesn't exceed this platform maximum.