3-Step Knife Sharpening System: Module 2 (Tungsten Steel) – quickly restore the correct bevel shape to very dull or damaged knives.Module 3 (Diamond Surface) – realign a bent edge without moving removing metal. Great for daily maintenance.Module 4 (Ceramic Stone) – for finishing off already-reasonably-sharp blades. Easy to Use: the ergonomic handle allows you to restore your cooking knives in a matter of seconds! Simply place the blade in each of the slots and gently pull the knife through a few times for fast, effective sharpening. Safety: we put the safety of our customers above all else. Designed with a non-slip base, our kitchen knife sharpener offers comfortable control while you work. Premium Quality: With our professional knife sharpener kit, Crafted from solid ABS plastic, it`s strong, durable and designed to last a lifetime. Made with high quality materials. Material: ABS +tungsten steel+ ceramic Packing: Double blister Lo…