Pack of 2 replacement 150mm hook & loop backing pads for the R7661 Brushless Random Orbit Sander. These low profile backing pads feature 36 holes, with air channels directed towards to the centre of the pad, for effective dust extraction when used with a suitable abrasive such as Rutlands® Net Abrasive Discs and a connected dust extractor. Pads are medium density, providing a small amount of flex appropriate for general use. Regular backing pad replacement is essential for the longevity of the sander, as worn pads can unbalance the sander causing vibration and motor damage. ©