Composite Grooved Rubber Sole Plate(Cgrsp) - 10Mm Thickness For Use With Wi Der Psc Sleeper To Drawing No. Rdso/T-8746 Suitable To Rails 60 Kg(Uic) / 60E1 & 52 Kg Drg: (R Dso) Rdso/T-8747 Alt-1 Spec: (Rdso) T- 55-2025 Revision-01 [ Warranty Period: 96 Months After The Date Of Delivery ] ]