Horizontal rotary: range 360?, grad0.05?.
Vertical incline: range 45?, grad 0.05?.
With vertical incline adjust knob.
Parallelism and squareness between A, B, C and D: 50_in/per inch, parallelism between D and E at 0?: 100_in/per inch.
Made of tool steel.
Hardness HRC56-58.

Insize 2304-0205, COMPACT DIAL INDICATOR, .2", lug back, 6928640329555
Dynabrade 55204 Vane Set (4pk) 