supply of set of allen keys of different hex bits. , set of allen keys of different hex bits required for day to day loco maintenance works as follows. 1) allen key socket bits of 1/2 inch hex. drive sizes: a)4mm. qty/set. = 30 nos.; b)5mm. qty/set. = 35 nos.; c)6mm. qty/set. = 3 5 nos.; d)8mm. qty/set. = 80 nos.; e)10mm. qty/set. = 65 nos.; f)14mm. qty/set. = 20 nos.; g)17mm. qty/set. = 45 nos . 2) allen key socket bits of 3/4 inch hex. drive sizes: a)5mm. qty/set. = 20 nos.; b)6mm. qty/set. = 20 nos.; c)8mm. qt y/set. = 35 nos.; d)10mm. qty/set. = 35 nos.; e)14mm. qty/set. = 20 nos.; f)17mm. qty/set. = 35 nos. makes: stanley/ unbrako/ taparia/ groz/ venus/ jhalani or its similar. note:[1] one sample of each item should be got approved before ef fecting bulk supply. [2] firm shall quote any one make for the tendered description along with valid authorization, if ven dor offers/bids for more than one make or if the firm mentions, as per tender in their bid(s), their offer will be summaril y rejected. [ warranty period: 30 months after the date of delivery ] ]