Airco Style AGF-4 Cutting Tips Pliers They prevent the reverse flow

They prevent the reverse flow of gas back through the hose toward the tanks

It is a 5/8" ID nozzle with course thread that fits Tweco #5

Precision wound welding wire allows you to have more consistent wire speed while welding

CGA 580 Inlet

It has B-size (9/16-18 thread) female brass fittings on both ends for connection to cutting torches and gas regulators

Airco Style AGF-4 Cutting Tips Pliers They prevent the reverse flowAirco style A GF Cutting tip is a two piece tip for use with Mapp or Propylene Gas. It has a medium to heavy preheat & a 30 Degree bend for ease of use. The A GF is designed for grooving & grouping, deseaming, & removing imperfect welds.