The 215-H two star ESD safe (10? - 10¬π¬π Ohms/sq) double-ended applicator brush has a short flat end and an extra stiff chiseled end. The bristles are soft horse hair. The overall length is 4.5". Product Categories: Brushes - ESD Safe Applicator Brushes Application: Short flat end and extra stiff chiseled end covers all the bases Size (Tip Width x Tip Height): .50" (12.5mm) x .25" (6.25mm) Body Width x Body Height: 0.375" (9.38mm) x 0.375" (9.38mm) Tip Angle: Straight OAL: 4.5" (112.5mm) Weight: 1.2 Ounces Max per Carton: 1 Country of Origin: USA