50mm diameter Spring Steel Saw Blade with a 10mm bore, 0.5mm thick. Alloy holding a high proportion of tungsten, vanadium and molybdenum for an even structure, high hardness and long lifetime. Designed with fine teeth for precision cutting. For very fine cuts in non-ferrous metals (aluminium, brass, copper). Also suitable for cutting compound materials like PC cards, and sawing wood and plastics.