FINALLY A KNIFE SHARPENER THAT MAKES EVERYONE AN INSTANT EXPERT. IN AN AVERAGE OF 10 SECONDS YOU CAN RENEW THE EDGE O KNIVES, AXES AND MOST OTHER CUTTING TOOLS! INTRUDERS ACCUSHARP BLADES ARE BOTH REVERSIBLE AND REPLACEABLE. TOUGH RUST PROOF DESIGN AND DIAMOND HONED TUNGSTEN CARBIDE SHARPENERS FOR YEARS OF RELIABLE USE.