Anti-Bird Disc Of Circular Dia 400 Mm For Porcelain Insulator & Id 90 Mm Alongwith Fasteners A Nd Silicon Ring As Per Rdso Drg. No. Ti/Drg/Ohe/Abd/Rdso/00000/19/0 Rev-2 Sh. 2/2 And Rdso?S Mainten Ance Instruction No. Ti/Mi/0059 Rev-3 (Note - Nabl Test Certificate Should Be Submit Along With Supply) [ W Arranty Period: 30 Months After The Date Of Delivery ] ]