Here is the detail drawing and dimension of the mTECH scales.
There are 3 types of scale model, the number (1 & 5) at the end of each model indicate the resolution of the scales (e.g. JCXF1 is a 1um resolution scale, JCXF5 is a 5um resolution scale):
1) JCXF1, JCXF5 - these are small profile scales and they have a maximum travel length of 600mm
2) JCXE1, JCXE5 - these are regular profile scales and is more commonly used. They have a maximum travel length of 1000mm
3) JCXG1, JCXG5 - these are large profile scales and is used when long travel distance is needed. They have a maximum travel length of 6000mm
Drawing of JCXF scale (click on drawing to enlarge it)
Drawing of JCXE scale (click on drawing to enlarge it)
Drawing of JXCG scale (click on drawing to enlarge it)