【dimension】 Sanding plate diameter: 5 inches/125 mm, mounting thread: M14, maximum operating speed: 12,000 rpm. Ideal for polishing furniture, wood, plastic, metal surfaces and car surfaces. 【material】Made of durable PP material which is not easy to break, well controlled balance and vibration-free operation. Suitable for most rotary polishers such as angle grinders, bench grinders, electric drills and other pneumatic and electric tools. 【mounting bracket pad】 Allows for easy and quick replacement of sanding pads, also prevents the sanding pads from moving and rotating and has strong adhesive ability. 【Wide application】 Can be used with any sanding discs, polishing sponges, polishing pads, sanding wheels or finishing foams, ideal for wood products, automotive, metal products and polishing floors and walls. 【delivery content】Sanding disc backing pad. Ideal for spot repairs on flat and curved surfaces.