Capabilities.With sleeve positioning. Each brush is equipped with a limited silicone sleeve, the length is adjustable and can be reused. High temperature resistance. Using high-quality fiber brush, it can withstand the high temperature of 400 degrees Celsius, without worrying about open flames. Practical. Thicker brush, better conductivity, effective weld cleaning and better cleaning performance. High quality. Made of high quality copper material, corrosion resistant, not easy to deform, having a long service life. Wide application. Accessories for stainless steel welding processor, argon arc welding, spot welding machine, electrolytic grinder. Specifications. Material: Copper + silicone. Item color: Black. Size: 9 * 1.5 * 1.5cm / 3.54 * 0.59 * 0.59in (L * W * H). Weight: 30g / 1.06oz. Packing List1 * Weld Brush