Check the listing for details. Camillus 19196 Sevens 2.75" Folding Plain Silver AUS-8 Carbonitride Titanium Bla. Condition: New. Listed at 51.54 USD. The Camillus Sevens is a 7 folding knife with a Stainless Steel and G10 handle with a AUS-8 Steel blade. AUS-8 ranks among the hardest, toughest and most trusted knife alloys. The steel is bonded with Titanium that resists rust and corrosion and is up to 3x harder than untreated steel so the blade stays sharper, longer.