Although they required some drilling they have a VERY nice look and they function as advertised.
The controls are easy to use. and the grips are better than stock.
Work's perfect, no more cold hands. Only "complaint" I guess would be that I need to wear gloves when it's on high because it gets a little warm. Get em, you won't be disappointed.
Top quality grips, good heat output, I like the set screw mounting so no messing around with glue. My only complaint would be no way to mount the switch to my 1-½" T-bars but that's to be expected with custom accessories.