Mastercool Air Conditioning R12 1/8" 3/16" 1/4" Service Port Thread Repair 91390



  • Recuts stripped R12 service port threads.
  • All-in-one design for 1/8 , 3/16 and 1/4 service ports.
  • An excellent retrofit tool
  • It will ensure that the R134a retrofit adapters will fit securely.

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