Mercury Brush® Double Thickness Triple Boiled 100% Pure Nylon/Polyester Blend Round Bristles Paint Brush for All Application, Set of 4 (1"+2"+3"+4" Inch) 75 mm Long Black Bristle Size name:1+2+3+4 Inch   We are the manufacturer of Bristle Brushes from last 25 years, specially we use of Triple Boiled 100% Pure Nylon / Polyester Blend Round Bristles and arranging in Double Thickness for durability and fast working, extra long bristle extra shine and precision finish, our Paint Brush are for All type of Application including Acrylic Paints, Varnishes, Adhesives, Gums, Oil based Paint, Water based Paint for all application for interior and exterior for wall, wood and metal etc.