SDS-plus chisel 1.High quality special steel. Shank is SDSplus design 2. Applications: for chiseling in concrete, masonry, stone and bricks. Suitable for all hammer and chisel drills with SDSplus and two grove adaptors with rotating stop. E.g. Hilti TE 6C, TE 16C, TE 22. 3.Sorry, not suitable for Ramset machines.