Strong Scour Pad Action Removes Dust From Wheel Outer Soft Bristle To Clean Wheels While Protecting The New Wheel Finish Soft Rubber Handle For Comfort & Function Here is the best of the best in cleaning hand tools. Each Grip Tech Brush uses a patented triangular grip design to promote comfort and enhance function. Flared design and molded ribbing ensure superior grip in dry or wet conditions. Every brush fiber has been selected to match specific use.