Mason's chisel hardware tools/Mason's chisel/Brick Bolsters are manufactured from induction hardened, drop forged steel with a heavy-duty grip.
high carbon steel, rail steel, or Cr-V steel
highly polished, heat treatment, powder painting, electrophoresis
Flat with rubber handle
It is mainly used for cutting stone, digging groove, punching hole, work-piece to rib shaping and for scoring, cutting.