Learn about 4DP - Wahoo Fitness

4dp PRDCML12-4DP. Hi All, I have a 1992 4DP ,which is basically standard. I also have some 4DP-11 cylinders which I bought some time back as 'spares',the question is would there be any benefitnegative

4dprize, PR12-4DP; PR12-4DP - Cylindrical Inductive Proximity Sensors * Image may differ. CAD. PR12-4DP. Installation : Non-flush; Sensing side diameter : Ø12mm; Sensing distance : 4mm;.