Abstract: A precision paint brush formed from an arcuate ferrule attached to a handle and carrying a number of filaments oriented into a complementary arch shape for accurate and efficient administration of liquids such as paint is provided. By creating an apex within the application surface as formed by the arched filaments, the brush produces a more focused application surface area, particularly useful in situations such as painting a wall in close proximity to the ceiling, as pressure by the user into the substrate compels the filaments to spread out without exceeding the defined apex area.