supply of rail jumper with rail clamprail jumper with rail clamp,rail jumpers assembly with rail clamps at both end with 13m long pvc cables as per rdso drawing no: re/33/p/500 rail jumper clamp al. bronze is: 3091/1999 and pvc copper cable used as per is 694 size 248/0.45 make:- pec, sdu, st, im or equivalent. [ warranty period: 30 months after the date of delivery ] , rail jumper with rail clamp at both end with 03 meter long pvc copper cable as per rdso drg.no.re/33/p/500 (rail clamp al. bronze is:3091/1999) manufacturer tc & gc required. ( rail clamp made of al.bronze is: 3091/1999 make:- pec, sdu, st, im or equivalent. [ warranty period: 30 months after the date of delivery ]