I got tired of using standard woodworking twist drill bits and wanted to get a set of pivot bits. It's a decent set for the price. The hitting is a bit more than it should be but it's not bad enough to fret too much but the rating has dropped from 5 stars to 4 stars. The case is ok but I think a lug is broken. and doesn't stick well. Also note that the 4 least significant bits (1/16, 5/64, 3/32 and 7/64) are not a reference point. This drove me nuts for a while, thinking I'd lost the 7/64 bit and that the normal view that's sitting on my bench is from a different set. Anyway, I would recommend them to a friend.