Direct from Bill Koenig: This Koenig Arius AR1006 features a brightwashed M390 stainless plain edge blade with polished flats. Flipper. Black Carbon Fiber handle scales. Titanium framelock with insert. Blue anodized backspacer. Lightening pockets. --Blade Length: 3 1/2" --Closed Length: 5" Beautiful action and solid lock-up, as expected. USA NO FURTHER DISCOUNT LIMIT ONE PER CUSTOMER PLEASE