What should I do say first he burned my 9 amp milwaukee drill i love so much it hurt but this thing was supposed to be huge i knew it was 1 1/2 but when i actually saw it was like wow i did my 6 holes after piloting and the drill can work more it looks a bit used considering its a concrete drill i recommend it but you have to know your limits to use one to start powerful drill, for me it would be necessary it was worth it as buying a sds max plus drill cost about 20 times more and i only needed 6 holes, my drill was already several years old, and after 2 repairs i had feeling like it's still a good deal I had 3 chances to get an order r to drill them, buy a drill and chisel, or use this chisel with my drill. I always do it myself, so I'm happy. Just remember it will load your drill,