PIug with adjusting screw

Listed on the following equipment:
Technogym - Element + Line - MB50 Leg Press - Ver. 2 (After SN MB5013100317)
Technogym - Element Lower Back M958
Technogym - Leg Curl - M810
Technogym - Leg Curl M990 Series
Technogym - Leg Extension - M891
Technogym - Leg Extension M991
Technogym - M917 Adductor
Technogym - Recline 700
Technogym - Selection - M836 - Rev. 1
Technogym - Step XT (D230U)
Technogym - Step XT (D231U)

* Images may not be identical to part.