Features: Efficiently cleans sensitive IC chips and PCBs during welding, ensuring maintenance for delicate electronics like mobile phone and computer motherboards. Crafted with boar bristles/reinforced steel wire, the brush resists deformation and shedding while providing optimal power for stubborn circuit board and electronic components. Ideal for professional technicians, electronics engineers, and PCB repair specialists requiring protective during intricate motherboard maintenance or component cleaning tasks. Effectively removes from soldered joints, clears dust from computer fans, and cleans oxidation from keyboard contacts in workshops, repair labs, or electronics workspaces. As an essential cleaning tool for electronics care, its double head design accommodates both broad cleaning and targeted in tight PCB spaces. Specifications: Component:Steel/Bristle Steel:Approx.44mm/1.73inch Bristle:Approx.42mm/1.65inch Package Includes: 1Pc Cleaning Brush Head note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.