Kern eoa series platform scales balances kern eoa 30k 2 the kern eoa 30k 2 is a platform scale balance which has been designed for use with parcels and letters making it a must have for parcel rooms dispatch departments and other applicationsthe scales are easy to use and are supplied with a portable weighing plate and separate display unit connected via a cable to the weighing plate the scales make the process of weighing parcels accurately significantly easierwhats in the boxker