The main element of the modification was the riveted joint of the conductor and the contact plate. This modification allowed to reduce the number of parts of the kit. This greatly speeds up installation and ensures reliability.
This type of ground electrode is still available in 5 sizes:
UEK 1M: for cable diameter from 5mm to 11mm
UEK 2M: for cable diameter from 12mm to 30mm
UEK 3M: for cable diameter from 31mm to 60mm
UEK 4M: for cable diameter from 40mm to 115mm
UEK 5M: for cable diameter from 40mm to 223mm