supply of copper crimping socket , copper tube terminal ring type crimping socket of size 4 sq.mm with stud hole diameter of m6 complying to item no. 8 as per rcf spec no. edts 201 (rev a) am2. [ warranty period: 30 months af ter the date of delivery ] ] , copper crimping socket for e-beam cable of size 2.5 sq. mm confirming to rcf specification no.- edts-201, rev-a, am: 1, 2 & 3, cor-2, item-10 [ warranty period: 30 months after the date of deliver y ] ] , copper tube terminal ring type crimping socket of size 1.5 sq.mm with stud hole diameter of m5 complying to item no. 11 as per rcf spec no. edts 201 (rev a) am2 [ warranty period: 30 month s after the date of delivery ] ] , copper tube terminal ring type crimping socket of size 10 sq.mm with stud hole diameter of m10 complying to item no. 13 as per rcf spec no. edts 201 (rev a) am2 [ warranty period: 30 mont hs after the date of delivery ] ]