Sprocket 1-1/2 Inch Pitch, 120 Asa Standard 13 Teeth, "C" Type, With Pilot Bore, Bo Ss Dia 120 Mm, Total Boss Length 75Mm, Material-En 24, Teeth To Be Flame Hardened To 40-45 H Rc. Two Nos Drilled And Tapped Hole To Size M12 Right Angles To Each Other To Be Done On B Oss. Supply Shall Be Along With Material And Hardness Test Certificate From A Nabl Accredited Lab. [ Warranty Period: 18 Months After The Date Of Delivery ] ]