Recip Blades are made of high-quality steel, combination set provides a selection of blades for common applications. Metalworking saw blades are compatible with all reciprocating saw brands. It is a great addition to any saw set and is ideal for use with metal, plastic, wood, and drywall. Each Recip blade is designed to fit a range of tools and complete a number of functions. It provides straight cuts in heavy metal cutting applications and add durability for tough demolition applications. The reciprocating-saw blade makes aggressive cuts in wood, metal, and other materials. These Bi-Metal reciprocating saw blades are MADE IN USA.