Bradawl with square tip pre-cutting of holes in thin sheet metal, wood, plastic, leather, etc. precisely machined square tip, high hardness, extremely durable chrome-plated, permanent corrosion protection pentagonal handle with a spherical surface ensures that you can apply a large amount of pressure pain-free high-quality materials used, impact-resistant and oil/gasoline resistant special alloy based on spring steel, exceptional elasticity coupled with with high hardness laser-marked serial numメーカー公称