Introducing our 4.5 in. angle grinder backing pad, available in a 2 - pack. This pad has a 5/8 in. - 11 thread and a ribbed turbo design, offering a non - slip grip. It is compatible with most 4.5 in. angle grinders with 5/8 in. - 11 threaded spindles. The 3 - layer construction, including spiral ribs, polypropylene backing, and an alloy reinforcement ring, provides excellent heat dissipation and durability. It's suitable for a wide range of applications such as metal fabrication, woodworking, and construction surface preparation. Installation is a breeze with no tools required, thanks to alignment markers and an anti - loose locking nut. The spiral rib pattern promotes airflow and the reinforced structure ensures stability at high RPMs. With its non - slip design, it gives you better control during operation, making your grinding and sanding tasks easier and more efficient.