A Set Of Nickel-Chromium Test Panels As Per Rdso Spec: Rdso/M&C/Ndt/106/2007(Rev-2) H Aving Crack Depth Of 20, 30 And 50 Micron On Individual Panels.Technical Specifications Should Be As Per An Nexure-A [ Warranty Period: 30 Months After The Date Of Delivery ] ]