The BLU-MOL HACKSAW SAW BLADES are high-quality bi-metal blades made in the USA by Rule Industries inc. Each blade measures 12" x 1/2" x 32 TPI, and sets of 10 are included in this pack. The blades are designed for durability and precision cutting, making them a reliable choice for automotive and industrial applications. With a warranty included, these BLU-MOL blades offer peace of mind for your cutting needs. Note this is new old stock, it is out of the box.