Frank Beltrame 9" All Black Serrated Italian Stiletto Automatic Knife. This knife is a real handmade italian switchblade knife made by frank beltrame. Overall Length: 23cm - 9" Blade Length: 10cm - 4" Blade thickness: 3mm - 0.12" Weight: 120 gr Blade material: AISI 420 Stainless steel Frame material: Stainless steel Made in: Italy