3-Piece Chisel: The three-piece short chisel set allows standard work in concrete and block for renovation and restoration. The sharp chisel point allows for precise setting work, while the flat beveled edge allows for high material removal rates. HIGH QUALITY HARDENED STEEL: Sharp chisel point for fine setting work . Wide blade chisel for high stock removal. For concrete and bloavespatule makes it possible to carry out all types of standard demolition work. Precision installation: using the system, the cutter head and chisel can be quickly changed without tools, this which saves you a lot of time and effort. Can they also be used directly with trigger hammers? Renovation and restoration: With an ergonomically curved working end, it is easy to remove floor and wall coverings for repair work. demolition and rectification of concrete and masonry work.