The Astonishing Nails Acrylic Brush #8 is a size 8 brush with a high quality blend of Kolinsky – Sable hair. The large belly allows technicians to have complete control of their application. The crisp point will enable you to make those perfect brilliant smile lines. This oval brush is a must-have for creating dramatically deep smile lines, precise cuticle applications, backfills and even the most intricate design work.