The Schrade Viper SCHOTF4FS Out-the-Front Assisted Opening knife features a spear point style blade with a titanium nitride finish and partially serrated edge. The handle is dark gray finished aluminum with a pocket clip and glass breaker tip for emergency use. To deploy the blade, simply release the safety, then push on the slider near the base of the handle to get the blade moving and the spring assisted mechanism will take it the rest of the way. To retract the blade, release the lock switch and pull down on the slider to lock blade back in place. The SCHOTF4 has assisted automatic deployment and manual retraction.