« Back to previous category Supergrip interface 21 holes Description Description Backing pads interface. Improves the grip of fiber sanding discs like Star Line Fiber. Features: Size: Ø 150 mm Number of holes: 21 holes Connection: SUPER GRIP 171.0590 Related products Technical itemsMultifunction backing pad 70×198 mm Read more Technical itemsHard polishing pad Read more Technical itemsDry-Coat 2.0 Read more