purchase of 1 m.s. conduit pipe inner diameter - 15.8 mm, thickness 1.4 mm isi mark (as per our sample) 2 nickel chloride isi mark (as per our sample) 3 nickel salt - isi mark (as per our sample) 4 copper salt - isi mark (as per our sample) 5 mild steel copper coated gas welding filler rod 3.18 mm, 450 mm - isi mark (as per our sample) 6 brass brazing flux isi mark (as per our sample) 7 galvanized aluminium sheet 1.29 mm x 1mtr x 1 mtr (as per our sample)