The Wicked Edge WE60 Precision Sharpener is the next generation of the original, and is the core of their sharpening innovation. It can sharpen blades up tp 15" long. Its exacting standards were designed to deliver a razor sharp edge every time. The Precision Sharpener is easy to operate and does not require special knowledge or skills to use. Made in the USA. Features: 2 x 200/600 Grit Diamond Stones 2 x Medium 400 Grit / Fine 600 Grit Diamond Stones Guide Rods 8.75" Angle Range: 13-31 Degrees Angle Setting: Manual, Independent Angle Adjustments Main Angle Adjustment: 1 Degree Increments Clamping System: Parallel-Face Jaws w/ Allen Key Operation Knife Alignment: Standard Wicked Edge Alignment Guide Max Clamping Width: 3/8"