supply of knuckle (for high tensile tight lock centre buffer coupler with aar h type head and balanced draft gear).knuckle (for high tensile tight lock centre buffer coupler with aar h type head and balanced draft gear).,knuckle (for high tensile tight lock centre buffer coupler with aar h type head and balanced draft gear) to sanrok drawing no. 1ed-1067 and conforming to rds o specification no. rdso/2011/cg-03 (rev-1) drg no : as per description. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]