The S&W SWBLOP3 models have a 3.4" 4034 stainless steel blade. They have a 4.3" aluminum handle. They weight 4.8 oz. and have the magic assist feature. Smith & Wesson Black Ops M.A.G.I.C. Assisted Opening Liner Lock Folding Knife, Black 4034 Stainless Steel Drop Point Blade with Ambidextrous Thumb Knobs, Jimping, and Blood Groove, Ergonomic Rippled & Smooth Grey Aluminum Handle with Safety Lock, Lanyard Hole, and Pocket Clip