The Sheffield Hardware 12 in Hi-Speed Steel Hacksaw Blades have an increased cutting life with hardened 18 teeth per inch that stay sharper longer. The blades have a flexible steel back to resist breaking. This item is Made in USA
18 Tooth is great for tool steel, iron pipe, light steel sections general shop work
Lasts 5X longer than carbon blades
Molybdenum steel for strength and durability
Fits Sheffield branded and other common hacksaw frames