【Upgraded S-Shape Structure】 Compact design with stronger support, no delamination, and higher hardness for efficient polishing wheels, stainless steel, and large metal surfaces 【No Flange Needed – - 11mm Hub】 Upgraded - hub design requires no flange, eliminating wobble and resisting deformation. The 11mm thickened build ensures greater stability and safety, even under , heavy-duty polishing wheels and large metal . Maximum speed up to 6000 RPM, with a recommended safe working speed of 3500 RPM. Adjust the speed according to your equipment specifications to ensure safe and operation 【16-Layer 8" Airway Buffing Wheels】 construction with layers (16-layer build) ensures greater durability, extended service life, and reliable performance even demanding polishing jobs 【Complete 13-in-1 Polishing Kit】 Includes 4 upgraded S-Shape 8" Stainless Steel buffing wheels (Coarse, Medium, Fine, Super Fine) with 5/8" arbor, 5 solid polishing compound Bars(500–1500 grit, 70g/2.47oz each) for scratch removal, oxidation cleaning, and mirror-like finish, and 4 multi-shape drill pads to reach edges, corners, and tight areas— for heavy-duty wheels and fine detail work 【Versatile Heavy-Duty Use】 for wheels, tanks, steps, plates, rims, bumpers, , , big rigs, 18 wheelers, panels, stainless steel, brass, copper, and other large metal surfaces. Delivers professional results for professional mechanics, DIY users, drivers, and metalworkers handling large polishing jobs and detailing #bumperstickers #carstickers #cardecals #bumpersticker #stickershop - @blur_66mx