10 inch 24 TPI High Speed Hacksaw Blades that will fit most standard 10 inch and adjustable frame hacksaws. The flexible steel blades feature hardened teeth to stay sharper longer. These high speed hacksaw blades are recommended for cutting drill rod, medium sheet metal, tubing, conduit BX cable and 1/16 inch to 1/4 inch cross sections. This blade set is made in the USA.