I bought these as a cheap second set of mics, just to use live, while switching use of using my 'decent' mics (AKG D112 kick mic, Rode NT overheads, Shure SM57 and SM58 on snares) in my newly set up studio.
I am frankly amazed at this mic set. from the moment I opened the nice padded carry case and picked them up - the tom and snare mics feel nice and reasonably heavy and robust, as good quality, vastly more expensive branded mics are. The clips are good quality and nice and secure when attached to the rims. The kick mic is extremely heavy and robust, feels great quality It also happens to fit through a kickport (which I was dismayed to find the industry standard AKG D112 wouldn't fit through!) which was very useful for me as I'd just fit one to my kick drum! The overheads by comparison are very tiny (the smallest I've seen) and lightweight, nicely unobtrusive over the kit. They would also make a nice unobtrusive hi hat mic...
Sound wise I was immediately impressed with this set! The kick mic is awesome, it has a larger diaphragm and more bottom end than most (I have achieved a very beefy sound through my band's 400w front of house PA speakers at gigs without using the extra subwoofer speaker!), and I think equally on a par with the AKGD112 (although it is not quite as defined so you may need to EQ it a little more to get a 'clickier' sound. The tom/snare mics sound great on toms, nice and warm but with plenty of punch still, although not comparable to an sm57/8 when used on snare if you're after a meaty crack (but you can hardly expect that at this price can you).- live, you can still get a pretty good sound from these on snare especially if you clip it to the underneath pointing right at the snare wires! The overheads are good too, and have unexpected roll-off toggle switches on the side. Again not as impressive my Rode NT's at recreating the cymbals but I think each of my Rode's cost as much as this whole set. These overheads are certainly usable and again unexpectedly good at this price point.
Overall I couldn't recommend this set enough to anyone wanting a decent sounding, good quality, comprehensive whole set of drum mics for live use (I am yet to record significantly with these [they sounded great unmixed but haven't spent time mixing with them] but reckon they'd be fine for project studios, demos, maybe not professional recordings for commercial release - maybe see other reviews from people who've recorded with them ) at a frankly crazily low price - basically for the price of one or two decent mics you can get this whole set. They're so cheap, you could just buy them for the great kick & tom mics!