supply of normal bent steady arm assemblynormal bent steady arm assembly,normal bent steady arm assembly including steady arm tube(40/30) ri no. 2521, eye piece ri no. 2522,stead y arm hook ri no. 2523 and swivel ri no. 2352 & rivet 6x50 as per attached rdso drawing no. eti/ohe/p/2520 rev-b or late st . material must be procured from core approved vendors. the bidder should mandatorily submit tender specific authoriza tion letter from core approved vendor with their offer, otherwise their offers will be summarily rejected . offers received wit hout make/brands or with vague mention like as per tender will be summarily rejected. warranty period : up to 30 month s from the date of supply . [ warranty period: 30 months after the date of delivery ] ]