Wusthof Classic Colour Utility Knife 16 cm - Tasty SumacWusthof Classic Colour Utility Knife 16 cm Tasty Sumac Blade Length: 16cm Blade Width: 2. 5cm Smaller than a chef's knife and larger than a paring knife, the WSTHOF Classic Utility Knife is the perfect blade for a myriad of tasks. Think of this handy utility knife as a slightly longer, just as versatile paring knife with an aptitude for chopping shallots, onions, herbs, tender vegetables, and smaller cuts of meat.