supply of insulated rail dolly with chain sling attachment for carrying rail & psc sleeper. insulated rail dolly made out of heavy duty mild steel pipe, suitable to carry the rail panels and sleepers of all types & sizes from one site to another using mono running rails as the medium of movement. suitable insulation is also provided in the wheels of the rail dolly so that it can be used in the circuited tracks also. chain sling attachment rdso specification no. tm/sm/24, dated 25.11.1993. colour luminous yellow, make brands ciw, nesc, lakshmi or similarinsulated rail dolly with chain sling attachment for carrying rail & psc sleeper. insulated rail dolly made out of heavy duty mild steel pipe, suitable to carry the rail panels and sleepers of all types & sizes from one site to another using mono running rails as the medium of movement. suitable insulation is also provided in the wheels of the rail dolly so that it can be used in the circuited tracks also. chain sling attachment rdso specification no. tm/sm/24, dated 25.11.1993. colour luminous yellow, make brands ciw, nesc, lakshmi or similar,insulated rail dolly with chain sling attachment for carrying rail & psc sleeper. insulated rail dolly made out of heavy duty mild steel pipe, suita ble to carry the rail panels and sleepers of all types & sizes from one site to another using mono running rails as the medium of movement. suitable insulatio n is also provided in the wheels of the rail dolly so that it can be used in the circuited tracks also. chain sling attachment rdso specification no. tm/sm/24, da ted 25.11.1993. colour luminous yellow, make brands ciw, nesc, lakshmi or similar [ warranty period: 30 months after the date of delivery ] ] => limited