- Tough flexible high carbon steel backing
- Lasts twice as long as high-speed steel
- Lasts up to 10X longer than carbon steel
- Operates 20 to 50% faster
- High tooth hardness and shock resistance
Hacksaw blades" bi-metaloy" boxed - 12 inches length set type=teeth per inch=18 Molybdenum alloy tool steel edge with flexible high carbon steel backing. High tooth hardness and shock resistance.