The TEKNA® Security Card is a small, credit card size knife that easily fits in your pocket, a wallet, or a purse. The extra-wide 425 stainless steel blade slides in and out using a low profile button and is 5 1/2" (14 cm) long when fully extended. Made in the U.S.A. (complies with the "Buy American Act", may contain imported components). 1 year warranty.