Fiskars Pineapple KnifeFunctional Form kitchen utensils include many innovative items with uniquely functional features designed to meet a wide range of needs in the modern day kitchen. Items are made of materials such as extra strong plastics, Softouch®–surface, stainless steel, heat resistant silicone and glass-reinforced nylon. Functional design and the right materials ensure the usability and durability of these products.Pineapple knife: stainless steel ring can be used to cut away hard core of halved pineapple. Curved, serrated blade efficient for removing skin.