• Increased comfort and easier cut • Superior performance, fast cut and increased longevity • Shatterproof • Bi-metal Sandflex® interchangeable hacksaw blades • 321321-7-SB: for sawing of ferrous and non-ferrous metals, plastics, fibres and wood • 321-18-SB: for sawing of metal • 321-24-SB: for sawing of thin metal • Compatible with the 321 compass saw frame • Blister packed