For all that still wonder. Mines started acting funny..numbers jumping all over..going up & down. Kinda "haywire" so I changed the battery to a new one..(broke the clips holding the battery in the process) but contacted brian who said to contact ed. Who pretty much offers me useless help....wanted me to send it to him (in Russia) which would have been costly or send me parts to fixed it which again I'd have no clue how to..since there made in Russia with there instruments.. so basically no help and HORRIBLE...HORRIBLE..HORRIBLE customer service and now just ignores me.. youd think that someone as popular as he is, wouldn't care so much about a 90 dollar gauge...& youd think just replace it...but. NOPE!!! THIS ASS COULD CARE LESS about his products or customers....sucks cause I really liked the gauge too..I originally bought 2 & the other wrks great on my fx impact mk2.. wika is in its place and is great
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