Chef's Choice Ultrahone 312 Electric Diamond Knife Sharpener - Cc312

This compact professional electric 2-stage knife sharpener sharpens both straight edge and serrated 20 degree class knives to better than factory edges, in just minute. Features: the precisely formed conical diamond abrasive disks gently apply optimal sharpening pressure, guaranteed to never detemper the edge. Highly-precise knife guides automatically position and stabilize the knife as you sharpen for fast, foolproof results. It’s ideal for sharpening all types of knives, including kitchen, household, sporting and pocket knives. Engineered and assembled in the u.s.a. Number of sharpening stages:2 abrasive:100% diamond abrasives sharpens both fine edge and serrated knives:yes resulting edge angle:20 degree pre-sharpening stage:yes sharpening stage:yes honing/polishing stage:yes steeling stage:no single-sided knife sharpening:yes time required to sharpen:approximately 1.5  minutes for first time sharpening. Resharpening is approximately 10 seconds. Product dimensions: length: 20.5cm width: 11.5cm height: 10cm warranty:1 year includes:instruction manual • 2-stage sharpener with precision angle control • 100% diamond abrasives in stage 1 and 2 • advanced micron size, 100% diamonds in stage 2 • fast, reliable results • 2-stage sharpening provides arch-shaped edges that are stronger and longer-lasting than hollow ground or conventional “v” edges. • stage 1 uses 100% fine diamond abrasives to create the first bevel and stage 2 ultra hones the edge using advanced micron size 100% diamond abrasives to complete the second bevel.