Z-ERG-20-100s ishyigikira kuzenguruka kutagira umupaka no kuzenguruka ugereranije, nta mpeta yo kunyerera, igiciro gito cyo kubungabunga, stoke yose hamwe ni 20mm, ni ugukurikiza igishushanyo cyihariye cyo kohereza no gutwara algorithm indishyi, imbaraga zo gufata ni 30-100N zishobora guhinduka.