3M Brake Hub Cleaning Disc Holder, 07545, black The 3M Brake Hub Cleaning Disc Holder is used to attach and hold brake hub cleaning discs to die grinders or right angle disc sanders3M Brake Hub Cleaning Disc Holder and associated discs are designed to remove rust and corrosion from metal surfaces, particularly around wheel studs on brake drums or rotors. Product Information Brand 3M Part # 7000121093 Origin Country USA Extra Product InformationCleaning the brake's rotor and hub is an important step in reducing the potential for misalignmentBeing proactive helps avoid rotor disc thickness variability and misalignment, which can lead to braking problems like pedal pulsation when stopping or premature brake pad wearAs corrosion may inhibit overall brake performance, 3M Brake Hub Cleaning Products were designed to give operators a quick and effective means of removing rust from the brake's rotor and hub.Product InformationExtended length enables access to areas between wheel studsFeatures a hollow centre, enabling operators to slide over and around wheel studs without damaging stud threadsFirmly holds 3M Brake Hub Cleaning Discs for rust removal on brake rotors and drumsProduct rated to 20,000 RPM