While heat is an optional part of food prep, there's hardly a recipe where you won't need a good knife.If your favorite slicer is looking a bit dull, right now is an excellent time to buy Zwilling's pro-level chef’s knife.Zwilling is famous for its timeless designs and razor-sharp edges.This 7-inch chef’s knife is part of Zwilling's Pro line, which was designed by renowned architect Matteo Thun.The knife has a unique curved bolster that makes it easier to hold.And like all of Zwilling’s cutlery, the stainless steel blade undergoes a signature ice-hardening technique.Typically priced at $170, you can snag the 7-inch chef’s knife for just $50 at Zwilling.com now