Discover professional-grade forensic investigation with the Zhiantong 7-inch Fiber Fingerprint Brush. This specialized tool features a black handle and precise fiber bristles designed for optimal fingerprint powder application. Perfect for forensics professionals and scientific experiments, the brush measures 7 inches in length with carefully engineered dimensions for maximum control and effectiveness. The manual operation ensures precise handling during delicate forensic work. This unisex tool is intended for adult use (36+ years) and comes as part of essential forensic investigation supplies. The durable plastic construction and thoughtful design make it ideal for laboratory settings and law enforcement applications. Each unit comes with a magnetic fingerprint powder container for comprehensive investigation capabilities. This scientific tool requires no power source and comes ready to use without assembly. Note: This product is intended strictly for scientific experimental purposes and contains small magnets - handle with appropriate care.