Frank Beltrame 11 Inch Black Italian Stiletto Automatic Knife Bayo. Overall Length: 28cm -11" Blade Length: 12,5cm - 5" Blade thickness: 3mm - 0,12" Weight: 140 g - 4.98 oz. Blade material: AISI 420 Stainless steel Handle material: Black Acrylic Frame material: Brass Made in: Italy