BronAL Aluminum Bronze Reversible Ratchet 1” is Corrosion resistant and is mandantory for working in environments contaning flammable solid, liquids and gases.Aluminum Bronze Hand Tools are Certified for Safety as per IS 4595:1969 2006 Standards and are Torque Tested to IS 6131:1980 Standards. Do not use cheater bars or use external leverage – Misuse not covered under warranty