EVO-4 7 inch Chef Knife Titanium Coated. The Titanium Evo series, by IVO, is suited for commercial and domestic use. They are made from Titanium coated, high carbon, special alloyed, surgical German stainless steel. Titanium is antibacterial and non-allergenic and will never rust. Resistant to breaking, cracking or chipping under impact, stress or high/low temperatures. The Titanium Evo series is easy to clean and is dishwasher safe.