supply of thermoshrink jointing kitthermoshrink jointing kit,thermo shrink jointing kit (tsf-1) for under ground pijf cable of 50 pair 0.5mm. as per rdso /spn/tc/57/2015 rev.1 or latest. [ warranty period: 30 months after the date of delivery ] ] , thermo shrink jointing kit for jointing underground pijf cable tsf-1 as per rdso specification no.: irs : tc/57/2015 rev. -1 suitable for 10/20 pair 0.63 mm dia conductor. [ warranty period: 30 month s after the date of delivery ] ] , thermoshrink jointing kit for jointing underground pijf cable tsf-2 as per rdso spec. no. irs: tc/57/2015 rev.-1 for 50 pair 0.63 conductor dia cable amdt.3 . [ warranty period: 30 months after the d ate of delivery ] ]