The Blackjack Model 1 knife was designed by Darrel Ralph - well-known in the knife world. This fast-action spring assisted knife features a black titanium nitride coated tanto blade. The black block checkered handles have notches for an ideal grip. The Blackjack blade smoothly opens with a push of the flipper or ambidextrous thumbstud. The liner lock keeps the blade open and makes it easy to close when your work or play is done. At a mere 3 ounces, this is a light knife. Included is a steel pocket clip for easy and convenient carry.