I was hoping a well NON miracle..et. The retired electrician that I had not yet seen everything ..! 10 received a pulverized ..I expect it to read the previous evaluations, the packaging was summary for glass products. Of the 9 remaining 5 are unusable, and the other 4 limit. Their thread is not homogeneous, yes! Therefore it wedges at the screwing attempt in the lamp holder. Which had never produced during successive change of lamp en..35 years! Thinking that the sleeves of my chandelier were they can be a bit "tight", have made further attempts on E14 supports other luminaries. Even finding or worse. It remains to evaluate the lifetime of the 4 survivors and their behavior during switching on and off repeatedly in short cycles (1 min approximately) Well I stop here .. I strongly advise you not to buy this lot lights Instead, invest in a few flowers for your half .. Pictured Brass Fitting without pb, a Mazda 10 years of age, base aluminum deficient Philips. Normally there would have to have a perfect coincidence