MOTHERS POWER CONE (METAL POLISHING TOOL) PowerCone® expands Mothers® PowerBall® line to offer the widest range of polishing possibilities. It makes quick work of any uncoated, polishable metal finish, no matter how intricate the design. Its ingenious conical shape provides an infinite range of sizes — ideal for getting into tight, difficult-to-reach areas. And the PowerCone s® long tapered side is perfect for polishing broad, curved surfaces. Combined with Mothers® metal polish, the PowerCone® gives you a deep, mirror-like shine in less time.