The tool less installation systems allows effortless compatibility checks and gear swaps, making it essential maintenance component for optimizing angled grinder longevity and output consistency machined from wear resistant metal alloys, the gears feature seamless meshing technology to reduce operational vibrations and noise while ensuring long lasting under heavy workloads Engineered with a 39 tooth and 11 tooth configuration, this metal gear set delivers power transfer for brushless lithium angled grinders, combining durability with broad tool compatibility Designed for professional contractors, workshop technicians, and DIYer enthusiasts who demand reliabled upgrades for multi brand brushless angled grinders Exceling in construction sites, metal fabrication shops, and home renovation projects requiring high efficiency cutting, grinding, or polishing operations, Manufacturer: SHANGYAKEJI