I debated between this set, the DW1716, and the cheaper Freud set.  The first cut with this set and I was glad I decided on one I did.  The dados it cuts are so smooths, the bottoms are flat, and I'm very impressed with the result.  This dado set comes in a durable plastic case with two snaps on the front.  Each blade is separated by a plastic spacer (these can be a little annoying at times).  The set includes (4) 1/8" chippers, (1) 3/32" chipper, and (1) 1/16" chipper.  Another reviewer mentions that the chippers aren't labeled, which would have been nice.  However it's easy enough to tell them apart without it.