Reciprocating saw blade is proudly made in the USA with Global Materials in Shelbyville, Kentucky LONG LIFE AND ADDED DURABILITY: Bi-metal construction for long life & added durability SMOOTH CUTS: Precision set teeth for fast, smooth cuts OPTIMIZED DESIGN: Optimized tooth design for metal and wood cutting applications Includes (4) 6-in 6TPI, (3) 6-in 14TPI, (1) 8-in 18TPI, (1) 9-in 6TPI