The Bear Grylls Folding Ultimate Knife is a fixed blade knife designed by Gerber and Bear Grylls. This is the pinnacle of Gerber's Bear Grylls Survival Series and will give anyone the extra edge in a survival situation. This knife is loaded with innovations that can't be found in any other knife. Here is a list of all the features: Knife Features ½ Serrated High Carbon Stainless Steel Drop Point Blade - Ideal for edge retention and cutting rope Ergonomic Textured Rubber Grip - Maximizes comfort and reduces slippage Stainless Steel Pommel - At base of handle for hammering Emergency Whistle - Integrated into lanyard cord Sheath Features Fire Starter - Ferrocerium rod locks into sheath, striker notch incorporated into back of knife blade Nylon Sheath - Lightweight, military-grade, mildew resistant Land to air rescue instructions Diamond Sharpener - Integrated into sheath for on-the-go sharpening Priorities of Survival - Pocket guide contains Bears survival essentialsUltimate Knife is the pinnacle of Gerbers Bear Grylls Survival Series. SPECIFICATIONS: Open length: 10.0" Blade Length: 4.8" Weight: (with sheath): 14.7oz. Weight (no sheath): 11.2oz.