Arrived out of the box, dressed properly, inserts aligned to the tenth, shape and fit look great. Tested with two different cutters at 68 inches per minute at full mesh and 90 inches per minute at half mesh. It was so quiet I thought he wasn't cutting. It was. Perfect chip formation and reflective surface. I ran the same program with a Kennametal face mill, all other things being equal, there is no difference. Very satisfied, great value for money. Some helpful tips for your success. Before you approach a mill with a milling cutter this size, do your homework. Calculate and record feeds, RPM, and horsepower. Don't guess her. Count up to two significant digits and check your work. A little housework before processing pays off. Also, inserts are not universal for all materials. Use the correct bit for the metal you want to cut. Supplement catalogs contain extensive information about which metals they are intended for. It is ideal to have three different types of bets on hand; Black, non-ferrous metal, and brass covers most applications.