Direct from Bill Koenig: This Koenig Arius AR1004 features a stonewashed M390 stainless plain edge blade with polished flats. Flipper. Patterned Titanium handle scales. Titanium framelock with insert. Bronze anodized backspacer and hardware 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