The lights are lovely, but disappointingly they are all made slightly different sizes with the diameter at the bottom of the shade varying sometimes up to 2cm.  We hung three over our kitchen island and sadly you can notice one has a slightly larger diameter at the bottom of the shade. Wayfair did try to send a replacement but it was actually bigger than the one we had already hung.  Whilst slightly annoying and it bugs if I stare at them for too long, we like them enough to keep and live with it.