The wooden bread slicer is made of  food grade high carbon stainless steel blades and fasteners that will never rust - with this sourdough slicer you never have to worry about the blades getting dull. It stays sharp every time you slice bread and toast.Our sourdough bread knife are designed by sourdough bakers, with safety in mind, we provide a screwdriver, please use it to tighten the blade of the sourdough cutter on a regular basis, this is very important. After each use, please wipe the blade with a slightly damp rag and dry it. Perfect for homemade bread, it can cut any food you need, such as bagels, baguettes, cheeses, fruits, cakes .