KÄRCHER WV 75 (window cleaner) Unlocking button

English: This is a spare part (release button left, right) for the KÄRCHER WV 75 window cleaner.Disclaimer:This is not an original part from KÄRCHER and is not perfect; but it serves its purpose. I recommend replacing both buttons because I have found that the differences to the original can lead to problems if the replacement part is only installed on one side and is intended to be used in conjunction with the original part. It is also recommended to make the buttons with PETG filament.Function and assembly:The function of the buttons is to unlock the upper part of the device by pushing them at the same time. The two buttons are installed individually, which requires unscrewing the housing. The spring sits on the pins/cones of the buttons. When inserting the buttons, make sure that they sit straight in the guidance and do not tilt. The two barbs have to overcome resistance “inside”. The original part is more flexible and can be easily squeezed by hand; For the replacement parts, I rec