First is made from MS Flat as per IS 1239 Part II 
equivalent to BS 1240 .
Second quality is malleable cast iron as per 
IS 1879.G.I.Socket      3\\\" 70,000 Nos
2.5\\\"            90,000 Nos
2\\\"            1,00,000 Nos 
1.5\\\"         1,00,000 Nos  
 
Only genuine manufacturers only need reply 
together with price, delivery schedule, payment terms the 
prices must be free from excise and taxes we can provide 
them necessary documents. We required one sample of
each socket for testing purpose