The blades of the woodworking chisels are made with chrome vanadium steel(Cr-V), no rust, sharp edge, high hardness,. For your safety, each chisel comes with its own safety cap to cover the sharp blades when you finish working. Upgrade your woodworking equipment with this robust woodworking chisel set. This amazing set includes four sturdy, well-made carving tools in the following sizes: 1/4 , 1/2 , 3/4 , 1 . Whether you're a professional woodworker or wood carving is just a hobby, this complete chisel set is exactly what you need for your challenging wood projects.