supply of hole marking fixture and manual uncoupling device (sanrok make)hole marking fixture and manual uncoupling device (sanrok make),hole marking fixture to sanrok drg. no. 1ed-4993 for tertiary pin arrangement with chain & lock pin f or sanrok make tensile tightlock cbc to rdso specification no. rdso/2011/cg- 03 rev.-03 make -sanrok, [ warran ty period: 84 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lac s ] ] , manual uncoupling device to sanrok drg. no. 1ed-1017 confirming to rdso spec. no. rdso/2021/cg -03, rev-03, [ warranty period: 84 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lac s ] ] => limited