supply of three taper key for bobyn wagon as per rdsos sk-77536,alt - nil ,item no. 23,24 & 25 as listed below, as per enclosed drawing. , three taper key for bobyn wagon as per rdsos sk-77536,alt - nil ,item no. 23,24 & 25 as listed below :- (i) 12x10x100 gib head rectangular taper key ,item no. - 23, is: 2293- 74 (reaffirmed-20 02),qty.- 24 nos. (ii) 12x10x85 , plain rectangular taper key ,item no. 24, is : 2292- 74 (reaffirmed -2002) qty.-04 nos. (iii) 10 x6x 50 , gib head rectangular taper key, item no. 25, is : 2293 -74 (reaffirmed-2002), qty.-04 nos. l.no. (1),(2), & (3)consisting 32 nos. = 1 set. [ warranty period: 30 months after the date of delivery ] ]