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 spec. no r dso/m&c/ndt/109/2007 (rev- 2) oct-2020 (wet method) in oil media in 500 ml dispenser operating aerosol/container (net content 400 ml/280 gm) (2) white contrast paint as per bs-5044-1973 in 500 m l dispenser operating aerosol container (net content -400 ml/280 gm) used with a visible magnetic par ticle for wet method inspection. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]