The blades are 440 stainless with a hardness rating of 57 so you never have to worry about them getting dull and it will work on up to a 58 ring gauge (very large) cigar. Even after years of use, the blade still cuts cleanly. They have a lock to make sure they stay closed when not in use and come with an exotic hide carrying pouch. These are the same ones featured in the Robb Report, Cigar Aficionado and many other luxury publications. Order yours today and enjoy that favorite cigar even more tomorrow!