Typical examples of their usage are:
It has a hinged polycarbonate top plate which, when latched closed and using the supplied push fingers, puts a downward force onto the PCB and the test probes.
Each kit is supplied with a useful quantity of push fingers. If you need more, then please see PF1 in the related products section for each part number.
It's cam operation ensures a true linear operation of the top plate.
The series has a cam operated gate fitted onto the hinged lid. When the lid is latched closed, the handle will push gate down, pressing the PCB into position on the probe field.