The glasses work well and are easy to use . the lighted aspect really pops a clear image of a small area like the inside of a watch . They don't hurt the nose , when you needed to wear them for long periods
I have an extensive watch collection that I was hesitant to taper with. This set has every item you could possible need to get the job done without damage to the watch and has already paid for itself Just in handling my families battery replacements. if you collect timepieces or just grow tired to taking your items to a jeweler this is a Must have tool!!!
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