Features: Stainless steel liner lock offers safe and secure blade lock up. Dual thumb studs offer ambidextrous manual blade deployment. Hidden release push button for covert automatic blade deployment. This Linder Dual-Action automatic knife offers a low-key design for all of your everyday carry needs. It's built with a stainless steel blade and a black polymer handle with grippy rubber inserts. A hidden push button beneath the inserts activates the automatic opening blade. It can also be opened with dual ambidextrous thumb studs. Add a classic German-made design to your collection with the Linder Dual-Action automatic.