Federal B3Q Dial Indicator
 
w/Flat Back, Rev Counter
 
  0.0 -.050" Range,.0005" Graduations

 Sticks slightly at 7 thousandths on the dial. Works smoothly otherwise 

 Precision Ground & Hardened Mount W/ Tapered Allen Machine Screws Included
(see pics)
  
Thanks For looking 
Happy to answer any Qs