The American Buffalo Knife & Tool Blue Shield Tanto Folding Knife, with the ABKT Assist Opening System, ball bearing system and made of D2 Steel, makes this knife durable and functional enough to continue thrusting. Fast, one-handed opening and designed for every situation.FeaturesD2 Steel bladesBall bearing pivot systemBlack titanium coated tanto bladeBlue titanium coated linersBlack G10 handleBlack pocket clip