supply of lock (coupler head)lock (coupler head),lock (coupler head) to sanrok make drawing no. 1ed-1069 and confirming to rdso specif ication no. rdso/2011/cg-03 rev. 01. make- sanrok only. [ warranty period: 30 months after the dat e of delivery ] ] , double rotary lock lift assembly with anti creep lug and fitted with toggle to to sanrok drg. no.- 1ed-1074 mat spec rdso/2011/cg-03 (rev-03). make - sanrok only. [ warranty period: 30 mont hs after the date of delivery ] ] , knuckle pivot pin (main pin for knuckle) as per sanrok drawing no-1ed-1079 and confirmin g to rdso specification no. rdso/2011/cg-03 (rev.01). make-sanrok enterprises (pac item). [ warra nty period: 30 months after the date of delivery ] ]