Here is a screen shot found on both Facebook most popular English Impact users.
Surprised no one mentioned it here. So check your serial number of you package.
Its the last 4 digits on the Nokta Impact box.
Don't know ,but will post pictures once my dealer sends them to me for comparison.
But as long Nokta says they need to be replaced.. then i am sure there is a good reason for that.
My guess is that the ears of the coil can be compromised and break. I had an ear break on a different brand where the rubber washer was not installed properly and plastic against plastic wore it thin.
Just received the rubber coil spacers.
They are identically the same size and shape from the ones we are supposed to change..
But the difference and reason for replacing them is because they are made of a more harder type of rubber so that they don't become more softer in hot weather and countrys.
The one that need to be replaced are soft enought that you can bend them easily .. but not the newer ones.