This tool is a real time-saver. Clean & Polish the easy way. Power-rated for speeds up to 2000 rpm, it fits any 3/8-inch drill or air tool. Perfect for mag or spoked wheels or in and around engine. The tool's patented no-scratch 8-inch shaft extends your reach, protects your fingers and safely fits into tight areas. The 100% viscose felt material won’t tear like foam buffers. And the self-cooling means it can't scorch or burn.