CHEF'SChoice AngleSelect Diamond Hone Knife Sharpener Model 4633 The CHEF'SChoice AngleSelect Model 4633 Diamond Hone Manual Sharpener will apply either a 15 degree or 20 degree edge: Professional manual 3-Stage sharpener for super sharp edges on all your knives 15 and 20 degree class Separate sharpening and honing stages for razor-sharp edges Creates double-bevel edges that last longer 100% diamond abrasives in all three stages‚ diamonds sharpen faster than any other abrasive, create stronger edges and never detemper the knife edge Sharpens the entire blade length, from tip to bolster or handle Origin: Made in the USA Warranty: In Australia by Fahoo