DIY Crafts Fits 5/8-11 TPI Spindle, M10 Synthetic velcro attachment polishing bonnet (made of super clean effect, with extra fine surface). 4 piece synthetic Wool Polishing Bonnets with female Velcro attachement,1 Backing Pad with Standard 5/8 11 TPI Thread. This pad has male type Velcro. ADVANCED MANUFACTURING TECHNOLOGY: Soft and fine workmanship, not damage the surface,Washable and save money.They are light weight and really easy to assemble.Regular polishing set up a protective barrier against hostile attacks from the environment EASY TO USE:Can be used in pneumatic or electric polishing machine.Used for Auto car detail polishing.Adhesive backing, you can change pads just in seconds.The back of the disk has velcro, so you can easily change the woolen buffer pad. SUITABLE : Can be used on anything that needs Polishing or buffing, like cars, van, glass, stone, ceramic etc. There are 3 Polishing Buffer Wool to choose from and easy to change and reusable .