Brush ( Flat ) for Paint & Varnish, Size- 75 mm to IS: 384 ( Part- 1 y2012, Type of wood as specified in IS: 384 ( Part- 1 )/ 2012 and Bristle to IS: 1 844/ 1993, quality of bristle should be selected quality as specified in IS: 1844/ 1993 and Type of bristle- Type B ( Semi stiff ) as per approved sample with proper marking during bulk supply.