Set includes 2 hacksaw blades that will fit most standard 30.48 cm and adjustable frame hacksaws The flexible steel blades feature hardened teeth to stay sharper longer These standard hacksaw blades are recommended for cutting drill rod, medium sheet metal, tubing, conduit, BX cable, and cross sections less than 0.635 cm thick This blade set is made in the USA. Made from durable carbon steel in medium cut and designed for general purposes Feature 24 teeth per inch (per 2.54 cm)