supply of set of couplers for m/s.aal make vcb. set consists of 02 items as follows. 1)receptacles size :40,male coupler 35 poles with pin contacts as per part no.gb260b40-35pn-eac of m/s.gimota make or its equivalent---01 no./set. 2)plug size:40,female coupler 35 pole with socket contacts as per part no.gb06b40 -35sn-eac of m/s.gimota make or its equivalent.---01 no./set. [ warranty period: 30 months after the dat e of delivery ] ]