Gas Flowing Meter flowmeter Tester Scale For Mig Tig Welder Torch new and high quality Made of high quality material, and practical to use flowingmeter tester scaled from 0-25 litres per minute in litre graduations used for testing the gas flowing at the Mig or Tig torch place the tester over the mig or tig gas nozzle and the gas flowing is measured from the top of the ball, can be used for all gases Disable the HF on TIG welders or you may get a shock Release the Mig wire tensioner to stop the wire feeding when testing Designed to check gas flowing on TIG or MIG torches place the tester over the MIG or TIG gas nozzle & the gas flowing is measured from the top of the ball, can be used for all gases Size: 13.7x3.7x3.7cm/ 5.39x1.46x1.46inch(. ) Color: As Shown Material: plastic Package Contents: 1 * flow meter Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3cm.