The blade of the Fiskars insulation knife glides effortlessly through various materials. It features a serrated edge and works both on push and pull strokes. This makes it the perfect cutting tool for insulation boards made from materials such as fiber, foam, polystyrene, felt, or cardboard, as well as many other materials. The blade is made of stainless steel, making it very durable. The handle is ergonomically shaped and fits comfortably in the user's hand, allowing for pleasant work without fatigue. Additionally, the Fiskars insulation knife has a special finger guard on the handle that prevents fingers from slipping during use. The finger guard provides extra safety when working with this Fiskars knife. Overall, the tool weighs 54 grams and has a length of 42 centimeters. Its design is simple and functional. Like all tools in this category, this product also comes with a five-year warranty.