The 212A-H four star ESD safe (10?-10¹¹ ohms/sq) brush is heat-resistant to 370°F. These ESD safe (10? - 10¹¹ Ohms/sq) brushes are heat-resistant to 370°F (188°C). They feature stainless steel handles and horse hair bristles which are mechanically clamped into the handle for maximum fiber retention. The brushes are used for scratch-free dry brushing. Product Categories: Brushes - ESD Safe Heat Resistant Brushes Application: Heat-resistant to 370°F 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