supply of nickel chromium test panel.nickel chromium test panel., nickel chromium test panel of approximate size: 35x100mm as per rdso spec. no. rdso / m&c / ndt / 106 / 2007 [ rev 2 ] , july 2020 having crack depth of 30 micron & width 1.5 micron approximate, used for tes ting sensitivity of red penetrant, packing: two panel i.e. one pair / set with manufacturers test certificate and refere nce crack detection photograph. make: eishin kagaku co. japan or equivalent. all enclosed in a suitable carryin g case [ warranty period: 30 months after the date of delivery ]