Draper expert 14 mortice chisel for 48014 mortice chisel amp bit draper expert 79035 expert quality manufactured from high carbon steel hardened and tempered chisels are finely ground and polished with honed cutting edges chisel shank diameter 1316 stock no 79069 is 1316 display packed draper expert 79035 12 mortice chisel for 48056 mortice chisel and bit