Smith & Wesson Assisted Opening OTF Knife SWOTF2TB (Bead / Tanto PLN). Assisted Opening Out the Front Knife. This new knife from Smith & Wesson features an exciting new out-the-front mechanism. Simply push on the slider near the base of the blade to get the blade moving. Once you reach a certain point the knife takes over and rockets the blade out and into place. Lock-up is very solid on this knife. To retract the blade, just pull down on the slider and lock it back into place (automatic ejection, manual retraction). Features: - Black titanium nitride finished 4116 stainless tanto style blade (plain). - Black coated aluminum handle w/ sliding safety, pocket clip and glass breaker. - Automatic ejection, manual retraction Specifications: - Blade: 3" - Overall: 7.5" - Weight: 3.8 oz.