The 213A-N three star clean room safe brush has stainless steel handles and new Statigo9 fiber bristles. The bristles are mechanically clamped into the handle for maximum fiber retention. The fibers are similar to nylon, except they are static dissipative (10? ohms/sq.). Product Categories: Brushes - ESD/Cleanroom Safe Brushes Application: Designed for general cleaning in tight areas Size (Tip Width x Tip Height): .13" (3.25mm) x .13" (3.25mm) Body Width x Body Height: 0.13" (3.25mm) x 0.13" (3.25mm) Tip Angle: Straight OAL: 3.5" (87.5mm) Weight: 1.2 Ounces Max per Carton: 1 Country of Origin: USA