These hole saw blades are industrial-grade and deliver outstanding cutting performance compared to other blades in the market. The 8% cobalt material gives it a sharp edge and superior resistance to heat and wear which ensures it lasts longer. When paired with the right drill, this blade makes swift work of wood, metal, and plastics. However, the downside is that it's slightly expensive compared to other blades in the market. But overall, this product is a reliable choice for anyone looking for See full review