Here is an image showing the difference between the actual and the new Slider Spring: This is the 3D drawings showing the difference between the actual and the new Slider Spring: This is a picture of Robert´s Slider Spring prototype: 5. Here in RED the changes required for the new version of the Slider Spring. Roberto will finish is internal test and then he will send the new 3D drawings, in the next 2 days to Ningbo/Haishun. Feel free to contact Roberto or myself if you have any question.