supply of brushes, paints & varnishes, flat size 50mm of vulcanized rubber setting type to specn.is:384 (part-1)-2012 and natural black, soft type bristles to is:1844/93brushes, paints & varnishes, flat size 50mm of vulcanized rubber setting type to specn.is:384 (part-1)-2012 and natural black, soft type bristles to is:1844/93,brushes, paints & varnishes, flat size 50mm of vulcanized rubber setting type to s pecn.is:384 (part-1)-2012 and natural black, soft type bristles to is:1844/93 note: four test sam ples to be supplied by the firm to test the samples as per procedure attached in the rdso lette r no.m&c/pcn/1/42 dt.nil 09.04/01.10.2004. supply to be made in cotton boxes i.e. 12/16/24 nos. in e ach box. [ warranty period: 30 months after the date of delivery ] ]