Get a consistent and quality edge on your knife, no matter where you are, with the with the Guided Field Sharpener from Benchmade. This quality sharpening stone features a 20 degree angle and a design that makes it easy and convenient to use in the field. PRODUCT FEATURES: 100604F , benchmade Guided Field Sharpeners , Guided Field Sharpener benchmades , benchmade Guided Sharpeners , Guided Sharpener benchmades , benchmade Field Sharpeners , Field Sharpener benchmades , benchmade Sharpeners , Sharpener benchmades , knife cares , knife sharpeners , sharpening stones , knife sharpening stones , benchmade knife cares , benchmade knife sharpeners , benchmade knife sharpening stones