For use in hammer drills with sds plus attachment and chisel function for carpenters joiners and woodworkers ideally suited for chiselling out grooves and channels wood restoration work on half timbered buildings as well as to produce wooden sculptures the easy and quick method of woodworking high alloy special steel and precise grinding guarantee the best results in your work entire length 175 mm contents 1 of each 10 14 20 26 30 mm comes in a wooden box