The BiM Progressor hole saw offers 2 times longer life than its predecessor. For better durability, it has been equipped with Bosch Bi-Metal with 8% cobalt alloy. In addition, it has an improved progressive tooth bar that allows for faster cuts. Use this hole saw for drilling holes in wood, drywall, plastics, metals, non-ferrous metals, and stainless steel. It is suitable for all cordless and mains drill bits.