Supply of Safety Clamp For Screw Coupling Complete As Per Els/Cnb Drawing No. A3/2019/Cnb/2670/5033/C Oupling. As Per Drg.No. A3/2019/Cnb/2670/5033/Coupling. Warranty Period: 30 Months After The Date Of Deli Very Quantity Tolerance +/-: 5 %Age, Item Category : Normal, Total Po Value Variation Permitted: Max 8 Lacs