Wow ok never knew these existed, we live and learn, thanks for thatI've never needed or used one but I believe this is what you need.
Windscreen Washer Nozzle Adjustment Key for Mercedes Casement Cleaning System | eBay
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Pins worked well with the older water nozzles. The last time I adjusted my nozzles I used a thick darning needle, a pin is a bit narrow on the new style nozzles.Depends upon the type, but a pin normally works (if it's the small circular hole type)
thanks will give it a go, its not much of a adjustment but they only hit the bottom 6" of the screen.Pins worked well with the older water nozzles. The last time I adjusted my nozzles I used a thick darning needle, a pin is a bit narrow on the new style nozzles.