Dual Lock Link Kit - 

34194A is a dual lock link kit recommended for side-by-side combinations and includes links for instruments of different depths. This kit can be used with the 34191A 2U Dual Flange Kit to mount two Keysight System II (half-width, 2U height - 88.1mm) instruments side-by-side. This dual lock link kit is compatible with the Keysight 34460A, 34461A, 34465A, 34470A DMMs, the Keysight 34970A/34972A Data Acquisition/Switch Units, the Keysight 531xxA and 53200 Series frequency counters, the Keysight 33500 and 33600 series function generators, most E3600 power supplies and other 2-slot, half rack sized Keysight products.