9" Spring Assisted Frame Lock Folder Great Quality! Stainless Razor Blade with Stonewash* Finish - Solid, SHARP EDC, Hunting, Fishing, Camping, Survival, Self Defense ??? This is version with 'flipper', the tab on back at base of blade that along with spring assist allows instant opening with forefinger of one hand. SPECIFICATIONS: Overall: 8" Blade Length: 4" Blade Thickness: 1/8" (3.5 mm) Handle Length: 5" Weight: 8 ozs Blade Steel: 440 Stainless with Stonewash Finish* Handle Material: Aluminum Alloy with Stonewash Finish FEATURES: pocket clip, frame lock, spring assisted opening with flipper (fast smooth, adjustable tension)... compact, strong, sharp, deadly! Overall excellent reviews online, 5/5 stars; GREAT KNIFE FOR THE MONEY! ?this is a terrific folder and the quality is far superior to what I would expect for the cost. I bought two of these knives and I was so impressed that I purchased 12 more that I will give as gifts. Comments: Highly recommended. Solid and well made, great gear at this price. Uniques design. I have folders from Casstrom and Citadel that sell for between $100 and $200 and these from Defender compare very favorably. 5/5 star reviews overall and most negatives about people getting the version without the flipper by mistake. Recommended. I don't think you'll be disappointed. I take the photos myself and try to describe items thoroughly so you know exactly what you're getting. I'm a collector and a weekend warrior. I sell locally so I get a lot of feedback from buyers. See my Seller ratings and buy with confidence. Plus I ship fast! * Stonewash finish is a coating for ferrous materials like stainless steel. It?s used to add mild corrosion resistance, for appearance and to minimize light reflection in tactical applications. To achieve maximal corrosion resistance it still requires oil or wax.