supply of set of items consisting of: 1. pre mixed black magnetic particleset 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/109/2 007,rev2 (october 2020)(wet method) in oil media in 500 ml dispenser operating aerosol container (net co ntent-400ml/280g). 2) white contrast paint as per bs-5044-1973 in 500 ml dispenser operating aerosol con tainer (net content400ml/280g) used with visible magnetic particle for wet method inspection. make: orio n wcp-61 or orion 60ba or equivalent. [ warranty period: 30 months after the date of delivery ] ]