supply of supply of set of items consisting of: 1) pre mixed black magnetic particle. , set of items consisting of: 1) pre mixed black magnetic particle as per rdso/m&c/ndt/109/2007 rev 2 (october 2020) (wet method) in oil media in 500 ml dispenser operating aerosol container (net content - 400 ml/2 80 g) 2) white contrast paint as per bs-5044-1973 in 500 ml dispenser operating aerosol container (net content -40 0 ml / 280 g) used with visible magnetic particle for wet method inspection in the ratio 1:2 (black:white). [ warran ty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 la cs ] ]