supply of heavy duty copper tubular crimping socket, size 70 sq.mm, stud size m 16, item no. 18 of rcf sp ec no. edts 200 rev. nil am-2, corr. 3 or latest. [ warranty period: 30 months after the date of delivery ] , heavy duty tubular copper crimping socket for e-beam cable of 95 sq mm. stud size:m-16, ite m no- 19, as per rcf spec no. edts-200, rev-nil, am-2, corr-3 or latest. [ warranty period: 30 months afte r the date of delivery ] , heavy duty copper tubular crimping socket for e - beam cable of size 150 sq. mm with stud size. m 16 to item no. 1 of rcf specification no. edts 200 rev. nil am - 2, cor. 3 or latest. [ warranty period: 30 months after the date of delivery ]