General description The CSPARKV 3pcs Sanding Pad set includes three Velcro sanding discs with diameters of 30mm, 50mm, and 75mm. These self-adhesive sanding plates are designed for use with drills and angle grinders, making them versatile tools for various polishing and sanding tasks. Technical specifications Sanding pad diameters: 30mm, 50mm, 75mm Mounting thread diameter: 14mm Maximum operating speed: 12,000 rpm Material: Aluminum alloy and PU Compatibility and accessories Compatible with threaded adapters or extension rods Can be installed on most rotary polishing machines, including angle grinders, bench grinders, and electric drills Usage Ideal for polishing and waxing automobiles Suitable for woodworking and floor/wall finishing Effective for polishing boat engine parts