Coupler (Mca,Ph) Non-Shock (Mg) For Mg Coaching Underframes/Wagons Consists Of Hook End To Irs Drg. No. Wa/Bd-29, Alt-3 - 1 No. And Yoke End To Irs Drg. No. Wa/Bd-30, Alt-3 - 1 No. As A Set. Testing Of Couplers As Per Irs Specification No. R-12-1961. Proof For Load Test And Heat Treatment Should Be Attached Along With Supply. [ Warranty Period: 30 Months After The Date Of Delivery ] ]