This circuit board brush includes two brushes - one equipped with sturdy steel wire bristles and the other with regular bristles.Suitable for cleaning your phone or or cumputer motherboard IC- Your Ultimate Electronic Cleaning Solution Our Phone Motherboard IC Cleaning Brushes are engineered to endure intense usage. The high - quality materials that the brushe ,the bristles not fall off over time.This means you can rely on them for long - term,reusable, is your good helper. These anti static esd cleaning brush are extremely versatile.They are perfect for cleaning keyboards,Computer Motherboards PCB/IC/CPU Clean,phone parts,Watch,computer or laptop fans and more.Whether you're a professional or a ,these brushes are a convenient addition to your toolkit for cleaning tasks. Safety is a top priority when dealing with sensitive electronic devices.That's why our brushes are designed with ESD (Electrostatic Discharge) safe materials.This feature ensures that you can clean delicate electronic components without the risk of electrostatic damage,making them an indispensable tool for professional technicians. 5.51inch Length x 0.59inch Width(14cm x 1.5cm),The motherboard cleaning brush kit comes in an airtight transparent plastic box that is easy to store and carry when you run out,making it unlikely to lose them Color: As Shown Material: plastic Package Contents: 2 pcs * fiberglass scratch pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.