Wusthof Gourmet 4 inch Serrated Utility Knife by Wusthof. $24.95. A Wusthof Gourmet stamped knife is great for newer cooks or for use in a second home. These value priced knives are quite sharp. Thanks to their high-carbon stainless steel, their sharp edge is long lasting. Triple riveted handles are extremely durable. Hand wash only. Lifetime warranty from Wusthof with normal use and proper care. Made in Solingen Germany.