brand new and high qualityDesigned to check gas flow on Tig or Mig torches.Flowmeter tester scaled from 0 25 litres per minute in one litre graduations, used for testing the gas flow at the Mig or Tig torch.Simply place the tester over the Mig or Tig gas nozzle and the gas flow is measured from the top of the ball.Disable the HF on Tig welders or you may get a shock.Release the Mig wire tensioner to stop the wire feeding when testing.Material:PCColor: BlackLength: About 14cmTop Diameter: 1cm0.39 inchQuantity: 1 PcPackage Contents: 1* Co2 gas flow meterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +13cm.