• Specially designed protective pad to protect the sanding disc during use. • The velvet disc helps prevent wear on the backing plate hooks and provides better adhesion to the abrasive. • The interface pad is easily placed between the sanding disc and the sandpaper or polishing sponge. • Adhesive discs suitable for 150 mm sanding pads with 67 holes, making dust extraction easier. • Compatible with self-aspirating pneumatic and electric polishing and sanding machines. • Made with soft and flexible materials to adapt to the contours of the work surface. • The package contains 2 interface pad units.