Horizontal rotary: range 360?, grad 0.05?.
Vertical incline: range 45?, graduation 0.05?
With vertical incline adjust knob.
Runout of chuck is less than .0003″(test position is at less than 1.97″ from clamping jaws).
The clamping jaws of chunk are reversible.
Made of tool steel
Hardness HRC56-58.

Dynabrade 54972 Vane Set (5pk)
Dynabrade 54705 Rotor/Vane Set
3M 19075, E-A-R Push-Ins Probed Test Earplugs 393-2002-50, 50 Pair/Case, 7000052881 