7/8" UNJF Set

  7/8" UNJF Tap Set.  Taper, 2nd & Plug Tap.
 
  UNJ Fine  - J Threads are very slightly different from UN threads, more precise giving stronger threads.
  Not recommended to be interchanged with standard UN threads. 
 
  Minimum use (if any) and absolutely pristine.  
  14 tpi, HSS  110mm Overall, 40mm Flute Length, 16mm Shank and 12.5mm Square Drive.  4 Flutes, Centred Both Ends. 
 
  Minimum use and absolutely pristine.