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.

Standard Abrasives 707508, A/O Tapered Cone Point, K-110 100, 7100166521, 100 per case
Insize 2307-1R, REVERSE READING DIAL INDICATOR, 1", lug back, 6928640396649
Dynabrade 51848 1/4" Drill Right Angle, .4 HP, Front Exhaust, 20,000 RPM
Dynabrade 51301 .5 hp Straight-Line Die Grinder 