Replacement Tool suggestions for hwh nipple removal

[Roadrunner255]

Working on removing an inlet nipple on a bradford white hwh.
I have the below harbor freight 12" plyers that barley worked.

What are plumbers using?

Not much room before threaded area.

Cheers.

 

[Roadrunner255]

Nipple extractor

 

[Sponsor]

 

[Fitter30]

Internal pipe wrench. Make them in specific sizes.