supply of brushes paints & varnishes, flat grade 1, rubber set, size-63 mm.brushes paints & varnishes, flat grade 1, rubber set, size-63 mm.,brushes paints & varnishes, flat grade 1, rubber set, size-63 mm specification no: conforming to is 384 (part 1):2012,sixth revision (reaffirmed 2021,incorporating 02 amendments) and bristles to is 1844:1 993,second revision (reaffirmed 2018, incorporating 01 amendments), type (a). 2. para 4.13 of is 384 (part 1) :2012,sixth revision (reaffirmed 2021,incorporating 02 amendments) may be referred regarding shelf life. [ wa rranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]