Product DescriptionAbout SHARPALSharpal Inc. is a leading manufacturer of professional and patented multifunction knife and tool sharpeners for the outdoor and sports, garden and workshop, and culinary and kitchen industries. For more than 22 years we have been passionately researching and developing quality products, which provide consumers with an easy and cost-effective way to obtain a sharp edge.SHARPAL 101N 6-In-1 Knife Sharpener & Survival Tool6 function incorporated into a portable compact designOptimum durable sharpening abrasive materialPreset optimal sharpening angleBuilt-in lanyard holeIdeal for fishermen, hunters, campers, hikersKey FeatureMultifunction6 FunctionTungsten carbide blades: quick edge settingCeramic blades: fine honingFire starterHigh-pitched emergency whistleTapered diamond rod (Medium 400 Grit): sharpening serrations, gut hooksGroove in diamond rod: sharpening fishhooks, pointed toolsPremium Abrasive Material10000 Times TestedPull the knife blade through the two sharpening slots 10000 times eachNo break found in both 1 tungsten carbide and 2 ceramic bladePortableIt measures 3-1/2 inches long and 1-2/5 inches wide, and it weighs only 1.5 ounce.Soft GripSoft rubber coated design for comfortable gripHow to UseTwo Sharpening SlotInsert blade fully and vertically into appropriate sharpening slot at a 90 degree angle to the sharpener.Gently with light pressure pull the knife blade from heel to tip in direction of indicator arrows.Repeat above action until blade is sharpTapered Diamond RodPut end of the rod against the cutting edge of the serration or gut hook. Match grind angle.Push the rod through the serration or gut hook while applying moderate pressure and rolling the rod as you push. Repeat until cutting edge is sharp.Hone the serrations by pulling blade through No. 2 ceramic slotFire StarterNote: Only after you remove the outer black coating should sparks come off the fire stick as it scrapes over the No. 1 crossed carbide blades.Fully insert the fire stick into No. 1 carbide slot and pull the fire stick quickly through the slot in direction of indicator arrows.Repeat pulling the fire stick through the slot quickly until the tinder ignites. Note: it may take a number of pulls the first time it is used to remove the outer black coating.Emergency WhistlePosition lips over opening in upper left of product and blow vigorously.Do NOT cover the air outlet on the top of product.