Granite Comparator stands are made out of selected Black Granite with a very Rigid fixing of steel pillar for the Dial Mounting bracket with & without fine adjustment.
Comparator Stands made out of Good Quality of Castings consists very stable base and an upright column with a Dial Mounting bracket with & without fine adjustments.
Steel Parallels are made out of good quality of steel hardened ground and lapped all the four faces are working faces.