OXO Good Grips Plastic Lettuce Knife in Green/White - Winestuff
The Best Lettuce Knives | America's Test Kitchen
Amazon.com: Chef Craft Select Plastic Lettuce Knife, 7 inch blade 12 inches in length, Color May Vary: Home & Kitchen
Amazon.com: jawbush Professional Lettuce Knife to Prevent Browning, 11" Plastic Serrated Knife for Veggies, Fruit, Bread, Cake, Salad, No BPA Chef Knife for Cooking and Cutting - Safe & Durable Nylon Knife