An extension backing pad for the Mirka® DEOS 353 which enables reaching further into narrow places, one specific focus application is sanding of window shutters. In order to attach the extension pad, you simply remove the standard backing pad and attach the extension backing pad. When sanding with the extension you only use part of the pad, and therefore the standard 81x133mm abrasives are intended to be used. In addition, there is also a pad saver for the extension backing pad.