supply of heavy duty copper crimping socket , heavy duty copper crimping socket suitable for 50 sq mm e-beam cable as per item no. 0 9 (stud size: m12) of table no.1 of rcf specification no. edts- 200 rev. nil am-1 and corrigendum no. -1, 2,3. material must be procured from rcf approved sources vide rcf item id:2400038012. [ warranty period: 30 months after the date of delivery ] ] , heavy duty copper crimping socket suitable for 50 sqmm e-beam cable as per item no.10 ( stud size: m10) of table no.1 of rcf specification no. edts- 200 rev. nil am-1 and corrigendum no. -1,2 ,3. material must be procured from rcf approved sources vide rcf item id: 2400038011. [ warranty period: 30 months after the date of delivery ] ]