Brushes, Paints & Varnishes, Flat Size: [ Brushes, Flat Size: 100 mm conforming to IS: 384, Part % u2013 1 % u2013 2012, Sixth Revision with amendment % u20181 % u2019 of 2014 and % u20182 % u2019 of 2020, having the bristles & the solid dressing of the bristles as per IS: 1844- 1993, Second Revision with amendment % u20181 % u2019 of 2021. ]