MADE IN THE USA. Wicked Edge has produced highest quality precision knife sharpening systems since 2007 LIMITED LIFETIME WARRANTY. We are proud of our sharpening systems and we stand behind our products INCLUDES: 200/600 Grit Diamond Stones Pack, C-clamp for mounting to work surface, practice knife COMPACT DESIGN: Easy to store, lightweight, and portable ANGLE RANGE: 13 - 31 degrees per side (26 - 62 degrees inclusive). Angle adjustment in 1-degree markings. Can sharpen blades up to 17" long. The Wicked Edge Cobalt Precision Knife Sharpener - WE64 brings effortless clamping ability with the DualCam Vise to the portable form factor of the Wicked Edge GO Precision Knife Sharpener - WE60. Providing the fastest sharpening experience available in the 60-Series line, touchups and sharpening sessions are quick and easy.