Perfect Size and Weight: Each buffing wheel measures approximately 8 inches in diameter with a 5/8 inch arbor hole, suitable for most angle grinders. The included aluminum polishing compounds weigh 100g each, providing ample material for multiple polishing sessions. Comprehensive Kit: This set includes 4 airway buffing wheels, 4 rouge polishing bars. Each buffing wheel is crafted from high-density cloth, with specifications like 133 x 72 for fine polishing and 133 x 100 for medium polishing, ensuring versatility and durability for various polishing needs. Easy Application: Simply attach the buffing wheel to your grinder, motor, or drill, and apply the polishing compound directly to the wheel. The heat and friction from the wheel efficiently transfer the compound, making it easy to achieve a professional-grade polish on various surfaces. Quality and Durability: Made from premium cloth materials with varying densities for specific polishing stages-fine, medium, coarse, and hard. The robust center ring ensures and performance, with a recommended maximum RPM of 3000 for optimal safety and efficiency. Versatile Use: Ideal for polishing vehicle parts like tanks, wheels, and bumpers, as well as other metal surfaces including aluminum, brass, stainless steel, and copper. This kit is essential for automotive enthusiasts and professionals looking to achieve a perfect shine., Weight: 4.15902057263 pounds, Manufacturer: ximie