2 x 150 mm interface protection discs designed to be easily mounted between sanding discs and backing pads, providing quick replacement and protecting the sanding pad. The durable material ensures long-lasting use. Enhanced dust removal: features perforations that aid dust extraction, effectively removing dust and extending the life of the sanding disc. This leads to a cleaner and more efficient sanding experience. Optimal size and thickness: 150 mm diameter and about 3 mm thick, offering a perfect fit for most power tools. Provides the right amount of damping while maintaining sanding stability. Compatibility: suitable for most power tools with standard 150 mm sanding discs and backing pads. Easy to install: simply place between the sanding disc and backing pad for quick changes. Use scenarios: - Woodworking and furniture finishing: protects the backing pad and keeps the work area cleaner. - Automotive body work and metal fabrication: reduces dust buildup and prolongs disc life. - General sanding and edge finishing: suitable for panels, trim, and irregular shapes. Includes: 2 pieces.