I have 3 t210s in my tool box and also a 1hp dotco. a smaller Astro (wouldn't recommend) and some 90s and an Ingersoll Rand pencil sharpener. I also love the dotco pencil sharpener. I use this grinder all the time. It's nowhere near as good as dotko ($500 vs. $35) but a great value. Be sure to run the T-Series in both 90° and straight angles. I wish they had the T series in the smaller Astro chopper. I've been using them for 6 months and I don't find them too loud, powerful and expensive. I use them for 1/4" carbide bits and stones. Not a fan of using it for 1/8" because it's too big. I keep air tool oil in the box and add a few drops every time I take the air tool out to use. I also have a T-Series 90 and I like it. This tool is of great value. Note that when I use it at home I have trouble getting my little air compressor to blow enough air for it; but the same goes for all my other grinders when I use them at home.