Harris style 7490BTU-8 Cutting Tip Hand Tools so sometimes this fitting is

so sometimes this fitting is required when switching from acetylene to propane

ER70S-6 mig welding wire requires Argon/CO2 or CO2 gas

Compatible with most 110V MIG welders and popular off-brand machines

Acetylene or Mapp gas Setup Options include the Harris 23A90 welding elbow tips (0-10) and heats with the J-63-1 and 2

The 90 degree head is preferred for shop cutting torches

Harris style 7490BTU-8 Cutting Tip Hand Tools so sometimes this fitting isHarris style 7490 BTU cutting tips work with an old style of Harris torches that takes threaded cutting tips. The Harris style 7490BTU cutting tips thread at the seat into the torch and run on oxygen & LP, propane or natural gas. This one is a monster foundry type size 8 that is capable of cutting 8" thick.