blue pearl tactical stiletto This fully automatic stiletto featuresBlue Pearl handle inserts, riveted into the handle with brass rivets. The sharp bayonet blade is made of stainless steel and coated black. The spine is partially tapered near the end for superior piercing ability. It has a safety lock to prevent unintended opening. Overall Length: 8.75 Inches. Blade Length: 3.9 Inches. Blade: Bayonet, Stainless Steel, Black. Handle: 4 Inches,Blue Pearl Inserts. Features: Automatic, Safety Lock.