The Gerber F.A.S.T. Draw features the F.A.S.T. spring assist for smooth and strong action. Give the blade a start with the thumb-stud or flipper and the knife does the rest! The Fast Draw features a sliding lock on the knife's front handle. The FAST Draw knife features textured glass-filled nylon (GFN) scales over a steel frame. Overall, this is a solid design with great features for everyday carry.