I strongly suggest viewing this video on M390 test where many of the big name Italian knife manufactures have failed miserably with the necessary HR on their M390 steel rendering it crap. Thankfully we have folks like LTK watching our backs.
Knife Test Results Batch 15 Plus Rant ! LionSteel,MKM,Viper,WE,Kizer,Ganzo,TwoSun,North Arm (Luv Them Knives)
Sorry Drop but your customers...