Alright, so I finally got my hands on this KingTool grinder wheel set after hearing mixed reviews. Here's my breakdown after putting it to work:

First off - the variety is killer. You get 20 cutting wheels, 5 grinding wheels (though one reviewer mentioned missing these?), and 2 flap discs. The cutting wheels sliced through some stainless steel piping like butter. That thin 3/64" design really does minimize material waste.

The storage case is a nice touch - keeps everything organized and protected from humidity. I toss mine in the truck bed and haven't had any issues with moisture damage.

Now about those missing grinding wheels some folks mentioned... Mine came complete, but maybe double-check your package when it arrives? The grinding wheels that did come with mine handled some serious metalwork without crumbling.

At this price point, I was expecting some cheap junk, but these actually feel premium. The zirconia flap discs have held up through multiple projects already. Only complaint? I wish they included a couple more flap discs since they work so well for finishing.

Bottom line: If you need a solid all-around grinder set that won't break the bank, this one's a winner in my book. Just do that quick inventory check when you unbox it!