Auto Darkening Welding Helmet Buying Tips

Have you made up your mind that you really need an auto darkening welding helmet? And now you are scratching your head wondering which is the best one for you to buy? I have a few tips for you that might just help you get the right welding helmet. There sure are a lot to choose from. Darkening speed is really important. Good auto darkening helmets change in 1/20,000 second or less. Dont buy anything slower. Some auto helmets are not adjustable and are fixed at a shade 10. How do you know that

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