CHEF'SChoice Diamond Hone FlexHone/Strop Professional Knife Sharpener Model 320 This professional electric 2-Stage knife sharpener sharpens both straight edge and serrated knives to better than factory edges, in just minutes. For 20 degree class straight edge and serrated knives 2-Stage sharpener with precision angle control 100% diamond abrasives in Stage 1 Unique stropping and polishing disks in Stage 2 for hairsplitting sharpness Fast, foolproof results and highly durable edges Origin: Made in the USA Warranty: In Australia by Fahoo