Camillus CHAMELEON 8.75" Folding Knife with Aircraft Aluminum Alloy Frame with 3.5" AUS-8 Stainless Steel Blade. AUS-8 offers exceptional balance between toughness, edge sharpness, and corrosion resistance. The steel is bonded with Carbonitride Titanium that resists rust and corrosion and is up to 10x harder than untreated steel so the blade stays sharper, longer. Lightweight Aluminum Aircraft Handle that provides strength and rigidity. Dual Thumbstud Opener.