works well on natural nails not so great on medium or long enhanced nails [SEP] i have tried these now times when i tried them on enhanced nails the clip caps did not apply pressure evenly to the nails which caused me to have to break out the dreaded foils i typically have long acrylic or polygel nails so i am upset that they did not work well and are not longer even on the medium length polygels they still missed more spots than foils do will i use them again yes but sadly only for either short enhanced or natural nails