Confidently know what quality of stainless steel the shears you are considering are made from!

Here is a general overview of most commonly used steel qualities, listed from highest to lowest:

Super Gold 2
Hitachi ATS 314
Cobalted Stainless Steel V1-V10
440C Stainless Steel
440B Stainless Steel
440A Stainless Steel
420 Stainless Steel