8" Airway Buffing Wheel, 9Pcs Aluminum Wheel Polishing Kit In Diameter 5/8 Inch Product Details Package Listing: The package contains 4 pieces of 8-inch airway polishing wheels and 5 different functional colors of polishing bars, totaling 9 pieces, providing a comprehensive solution for your polishing and buffing needs Size Information: Our buffing wheels for grinders have a diameter of approximately 8 inches, with a center hole diameter of about 5/8 inches. They consist of 12 layers to ensure better polishing effectiveness. Each aluminum polishing compound bar weighs 70 g / 2.5 ounces Quality Material: These cutting buffing wheels are made from cloth of different densities: 1 blue airway buffing wheel (12 ply) for hard polishing, 1 orange airway buffing wheel (12 ply) for coarse polishing, 1 yellow airway buffing wheel (12 ply) for medium polishing, and 1 white airway buffing wheel (12 ply) for fine polishing. The wheels are designed for different purposes, and the center ring ensures durability for long-term use, providing longer and cooler operation compared to standard buffs. Recommended maximum RPM safety limit is 3000 Simple To Use: These buffing compound bars work with buffing polishing wheels. Simply turn a buffing wheel on a grinder, motor, or drill, and lightly press the compound against the wheel. Heat and friction will transfer the compound onto the polishing wheel Wide Application: The airway polishing wheels and polishing compound bars are suitable for polishing vehicle parts such as fuel tanks, wheels, and bumpers, as well as metal finishes and other accessories made of aluminum, brass, copper, and stainless steel Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.