not a fan [SEP] this thing stalls out on my acrylic nails and yet it actually burned me when i tried it on my natural toe nails apparently i was not moving it around enough or maybe my toe nails are flimsy so i really do not know what you are supposed to use it for i am not happy with it but it is not the kind of thing you can really return once you have used it i do not know maybe you can but i did not tryso it sits there neatly and quietly charging til i figure out if it will work for my polymer clay stuff it probably will but since i bought it for nails and it will not work for that i cannot rate it very highly