supply of 1) manufacturing and supply of the field trial of high performance rail cl (hprc) of robel/codium cl (trial item)for 60 kg rails (iv) rdso/t-5916 (length= 1000 mm) for 60kg. robel 68.05 version 13 (torque-580 n-m).2) manufacture and supply of dial type torque wrench 100-850nm with socket 41 mm and sledge hammer for fishplate destressing during installation. , manufacturing and supply of the field trial of high performance rail clamp (hprc) of robel/c odium clamp (trial item)for 60 kg rails (iv) rdso/t-5916 (length= 1000 mm) for 60kg. robel 68.05 versio n 13 (torque-580 n-m) . [ warranty period: 30 months after the date of delivery ] ] , manufacture and supply of dial type torque wrench 100-850nm with socket 41 mm and sle dge hammer for fishplate destressing during installation. [ warranty period: 30 months after the date of delivery ] ]