Lasherpro hacksaw blades are shatterproof and almost unbreakable. Featuring 18 teeth per inch, this high speed steel blade is induction hardened along the teeth and edges only, giving the blade an extremely tough cutting ability while still allowing a high degree of flexibility. The Lasherpro is the most cost effective blade designed and is suitable for cutting most materials including stainless and alloy steel. Recommended for artisans, electricians, plumbers, repairmen and hobbyist. Packaged in a 100 pack all our blades are SABS approved which is the equivalent to British Standards.